Holley sniper progressive linkage instructions So I know it isn't a Sniper issue. HyperSpark timing control. This modification delivers a smoother, more street-friendly feel to your throttle response, making everyday driving much more manageable while still retaining that powerful punch when you ‎Holley : Place of Business ‎Bowling Green, KY 42101, USA : Brand ‎Holley : Model ‎Holley EFI Sniper Efi 2X4 Linkage Kit - 4150 : Product Dimensions ‎5. Installation Instructions; Regulatory Compliance; Promo Exclusions; Quick Links. CAUTION! Failure to comply with instructions may result in damage to equipment. 2 TBI Base Calibrations NOTE: These are for use only with 4 bbl Holley TBI units with progressive throttle linkage. MSD Street Fire HEI distributor, no timing adjustment at all, just set at 16° BTDC. Nice & easy. 0 - 12. 48 x 5. Failure to follow the instructions may result in Throttle Linkage/Bracket Side View 4. Much easier than a FiTech I installed on a customer's El Camino small block car. It seems to be a little rich in the 1500-2500 RPM Progressive linkage starts at 5:30. Considering adding a Holley Pro Dash. 623" lift 114° LSA H/R Hey guys. Just not the standard 4-barrel version. I'm ready to be the tester of your expert advice and document what I learn in this thread. Also, does anyone know if the Sniper screen will show speed once the transmission is controlled by the I have a QuadraJet version of the Sniper EFI and I'm using the HyperSpark ignition system, which is timed correctly. Carburetors; Cataclean; Cooling; Data Acquisition; Exhaust; Fuel Injection. 5" TSLCD/ECU with the updater program from Holley's website and now I can't open any . Part Number: 510-20-43. To start viewing messages, select the forum that you want to visit from the selection below. Login or Sign Up Logging in Remember me. If assistance is required or if you need further 4150 Sniper EFI (550-510 Shiny, 550-511 Black, & 550-516 Gold) 2 This instruction manual must be read and fully understood before beginning installation. 08 x 30. Place the Sniper EFI throttle body on top of the new flange gasket on the manifold. Sniper EFI Tuning & Tech. 820242 Sniper EFI Fabricated Dual Plenum Intake Manifold Black Finish for LS1/LS2/LS6 102mm TB opening w/ MAP Sensor provision + Fuel Rail Kit Installation Instructions 199R11579 (Before Installation, please read these instructions completely) Applications: Holley Sniper EFI manifold series are designed for GM LS Gen III and IV engines. If the instructions are not fully understood, installation should not be attempted. Was considering a Holley EFI 553-111 12. This solution is great for those that may have noticed a stiffer throttle pedal after installing Sniper EFI. 17 (20%) Add To Cart. Full throttle 45° the other way. I've downloaded & installed, but haven't really carefully reviewed to see the differences. The built-in single stage progressive nitrous controller must be set up through the Sniper software at first, Sniper EFI Throttle Linkage for 2x4 Sniper EFI Systems. So, it would appear Holley went out of their way to prevent that configuration from working on Stealth throttle bodies, but not the regular Sniper or XFlow? I have the Sniper Stealth 4150 on a 500 ci big block Mopar, and do not use the progressive linkage. I am also planning to get the Holley distributor and Sniper fuel tank. 4 x 2. I had no way of knowing if I was getting the most out of the setup timing-wise, so took it to a local dyno tuner were recommended as being experienced with the Sniper setups running Australian fuel. Also, does anyone know if the Sniper screen will show speed once the transmission is controlled by the I'm putting a Holley Super Sniper 2x4 setup on a BDS blower on an LSx engine. - Install Holley Sniper EFI on the big block (great success, but very, very touchy, non-progressive throttle) - Converted throttle body to Progressive Linkage (much better action, Fortunately, switching to progressive linkage is easy, as outlined in these instructions. The Sniper was not designed or engineered to run in progressive mode. 75. Don't see it here? Sniper Progressive Linkage Kit (Fixed or Adjustable) It is almost without fail that Sniper EFI System owners experience '92 Ford Mustang GT: 385"/6. I've been Transferring Learning To Base every couple of weeks or so. I put in for a 40% TPS for actuation of the secondary throttle shaft actuation point. This modification delivers a smoother, more street-friendly Holley does not recommend using progressive linkage on the Sniper and this could be part of the reason. $5 off $49 / $15 off $249 / $30 off $499 / $65 off $999* - Use Promo Code: LASTCALL The fact that Holley released new firmware for the Sniper EFI System recently slipped past most existing owners. Sniper EFI (Low Profile) Fabricated Intake Manifold LS1/LS2/LS6 102mm TB opening w/MAP sensor provision + Fuel Rail Kit Black Finish Installation Instructions 199R11569 (Before Installation, please read these instructions completely) Applications: Holley Sniper EFI manifold series are designed for GM LS Gen III and IV engines. Holley really should have made the progressive linkage standard. Using the correct length carb stud and nuts, tighten the Sniper EFI throttle body down progressively in a “criss-cross” pattern (60-80 in. 2 Holley Sniper Stealth EFI FUEL INJECTION INSTALLATION MANUAL Read this manual before using this product. NOTE: Please be certain to use the Will the Holley Sniper be sufficient Ford kickdown, I read a couple people have used the linkage from an Edelbrock carb with success. '92 Ford Mustang GT: 385"/6. I've got my system 95% sorted out now, but I'm trying to figure out why my light to medium throttle acceleration is going rich. Sniper been working perfectly now for some time and very happy with it. Because the Sniper is software controlled, future updates may continue to provide additional features like those we have already seen with past updates. Been IntroductionOk, we have enough Sniper systems out there that I thought it would be a good idea to create a posting on challenges that might arise during installation. 1 4150 Sniper Stealth EFI – 550-870, 550-870K, 550-871, 550-871K, 550-872, & 550-872K 4150 Super Sniper Stealth EFI 650 – 550-873, 550-874, & 550-875 4150 Super Sniper Stealth EFI 1250 – 550-876, 550-877, & 550-878 QUICKSTART MANUAL SNIPER STEALTH EFI INSTALLATION INSTRUCTIONS Congratulations on your purchase of a new Sniper EFI Throttle Body System Holley Sniper EFI 2x4 Throttle Linkage for Sniper EFI Systems. See Chris Myer I didn't see the progressive linkage check mark. Crank Triggers. These instructions are for the Sniper 2, which has a hidden throttle position sensor (TPS) and the fuel connections on the passenger side of the throttle body. Contact Holley to discuss your application and product selection. Latest Articles. You will need to go into the software and adjust for progressive linkage. This can feel way too aggressive. Linkage Kit (4150) super progressive - allows primary throttle shaft to open 60% before engaging secondaries. My question is what idle RPM is your motor happy at? I am trying to set it at 650 RPM on the handheld and idle screw, but the motor seams happier around 750 RPM which is ok but I would like it a little lower. $79. CUTTER'S Holley Sniper EFI Forums Progressive Throttle Linkagehttps://forums. You have to upload into hand held and tell Sniper you now have progressive linkage. Categories; New & Hot Products; Engine Swap Parts. Is the stock GM Powerglide transmission compatible with this set up? Holley EFI; Sniper EFI; If this is your first visit, I went through the procedure in the instructions, got the coolant temp over 160°F, PA 200A 3G alternator, Optima 34/78 Red battery, 100HP progressive dry direct-port NOS, R134a A/C, Spal Dual 12" HP 3168 CFM fans, Frostbite 3-core aluminum radiator, Pypes SS dual 2. 7. ‎Holley EFI Sniper Efi 2X4 Linkage Kit - 4150 : Item Weight ‎4. Thanks very much for Terminator EFI Tuning & Tech. 623" lift 114° LSA H/R camshaft, Trick Flow R-Series FlowTech Induction Comp Ported intake, BBK 80mm throttle If you want to tone down the snappy throttle on your Holley Sniper EFI, the Sniper Throttle Extension Lever is the perfect addition. Mine is 48%. Holley has released a new version (v1. The rear injectors could be set to come on about 10 tps counts after the secondaries began opening. Holley Days - Big Savings! Motor Life Events Community Support. I have an older Commander 950 system with a 900 cfm 4 bbl TBI with progressive linkage. This product bolts directly onto your current throttle lever. sniper files in the Sniper EFI tuning software. Progressive linkage (the AE correction vs. Get the Best Performance with Holley Sniper EFI 2x4 Throttle Linkage for Sniper EFI Systems 20-43 parts at JEGS. as Holley removed the progressive link enable checkbox from the Sniper 2 version of the handheld firmware. Dead cold start datalog and Config File attached. 3" Pro Dash. My Account; Gift Cards; Read the instructions and Follow them. 5mm Super Conductor Wires with Sniper 2 EFI NOTE: Part number 520-1 is a complete installation kit. Choose between a 1:1 and a progressive secondary ratio; Tough Stainless Steel construction for longevity, durability, and control; Simple installation; Detailed instructions included Sniper EFI Tuning & Tech. 3" Pro Dash, but someone recommended the Holley EFI 553-116 Stand-Alone 12. Not expensive, totally worth it. 0 out of 5 stars Damaged and missing. Holley recommends deleting the instructions. On the 4150 all four injectors should be providing the same amount of fuel as long as you have not installed a progressive linkage. 623" lift 114° LSA H/R Holley is pleased to announce the release of four new components from its ever-expanding Sniper EFI line – Standalone Shift Lights, Throttle Lever Extensions, Sealing Plates, and Linkage Kits. It accelerates great. As you Like adding a turbo, the true cost of adding a Sniper is $$. Current engine spec. 5. You'll simply need to follow the laptop tuning instructions, below. 08 cm; 136. The Target Air/Fuel Ratio Table & WARNING! Failure to comply with instructions may result in injury or death. Holley 20-16, I can’t believe they include no instructions at all. Magnetos. $71. 5 Many Sniper users have found that a progressive throttle link will allow for a much better street and off-road feel. 623" lift/114° LSA H/R camshaft, Trick Flow R-Series FlowTech Induction Comp Ported intake, BBK 80mm throttle C3 Tech/Performance - Holley released EFI update for Sniper progressive linkage - So the basic order of things I did was: - Install Holley Sniper EFI on the big block (great success, but very, very touchy, non-progressive throttle) - Converted throttle body to Progressive Linkage (much better action, but now bogs due On this episode, I install a progressive throttle linkage kit on my Holley Sniper EFI and it makes my 1978 F100 drive EXPONENTIALLY better! I also changed th Hi everyone. Presumably, it better supports the added features of the Super Sniper. 23"), including From the centerline of the throttle shaft you want the linkage to be about a 45° angle. I’m surprised Holley doesnt provide the Sniper standard with progressive linkage. TBI85SB225HE – Set for Holley 85 lb/hr injectors, and mild camshafts It allows user to pick between 1:1 or progressive secondary ratio. 623" lift/114° LSA H/R camshaft, Trick Flow R-Series FlowTech Induction Comp Ported intake, BBK 80mm Holley sniper is driving me Instructions; Sniper: TCB-40HS: Stainless: XTCB-40HS: Black Stainless: TCB-40HS1: Brite Billet: XTCB-40HS1: Part on order, simple fix. EDIT: They might not meet your desired triggered action/s to drive the outputs, but might help someone. 623" lift/114° LSA H/R camshaft, Trick Flow R-Series FlowTech Induction Comp Ported intake, BBK 80mm throttle DO NOT USE Solid Core Spark Plug Wires: Holley recommends MSD 8. Kei. With a Doug Nash 5-speed, there is no need for a kick-down linkage. Reviewed in the United States on January 8, 2021. Some searching on the web showed me I wasn't the INS0061 - Column Shift Linkage Installation Instructions for Ford AOD, 4R70W and AODE; INS0062 - Door Latch Cable Release Kit Installation Instructions; INS0063 - Lokar Anchor-Tight® Headlight Braid Installation Instructions; INS0064 - Hood & Trunk Release Cable Installation Instructions; INS0065 - Progressive Throttle Linkage Installation Exactly, a 1:1 secondary throttle linkage operates all four injectors even at idle. Using this link with 1 4150 Sniper Stealth EFI – 550-870, 550-870K, 550-871, 550-871K, 550-872, & 550-872K 4150 Super Sniper Stealth EFI 650 – 550-873, 550-874, & 550-875 4150 Super Sniper Stealth EFI 1250 – 550-876, 550-877, & 550-878 QUICKSTART MANUAL SNIPER STEALTH EFI INSTALLATION INSTRUCTIONS Congratulations on your purchase of a new Sniper EFI Throttle Body System Not sure if it makes a difference at all, but it has a progressive throttle linkage for the primary to secondaries, since the factory linkage didn't have much travel from idle to full throttle. 623" lift/114° LSA H/R camshaft, Sniper EFI Tuning & Tech. Some, with high HP engines, say they find it almost impossible to start without chirping the tires!For years we But in our experience the advanced throttle arm setup on Sniper 2 alleviates the need for a progressive linkage. Trying to tune my ECU for a progressive throttle linkage and I'm running into an issue. When I did this, the The progressive linkage will keep the secondaries closed until about 40% TPS, and you can adjust it up or down if you get the adjustable one. Turning progressive linkage on without making the necessary changes to the AE Correction vs TPS table, is a quick way to make a Sniper undriveable. I've been running a Sniper system for about three years now, and generally love it. This and one other linkage piece converts to progressive linkage so you don't blast off after every stop with secondaries opening too soon. Verified Purchase. Electronic Conversion Kits. I also got a new air cleaner that should be less restrictive, and so I I called Holley to see if there was an adjustment to the "Primary To Secondary TPS Switch" like there is with a regular Sniper and was told no, not with the QuadraJet since it comes with progressive linkage from the factory. 3. If you do not understand a step seek assistance. Ignition and Electrical Components. It had been run for about I followed Holley instructions to wait until the EFI was PA 200A 3G alternator, Optima 34/78 Red battery, 100HP progressive dry direct-port NOS, R134a A/C, Spal Dual Holley EFI; Sniper EFI; If this is your first visit, be sure to check out the FAQ by clicking the link above. Click the “+” icon on the “Help/Instructions Overview”. Thanks for the info! I didn't know about the adjustable progressive linkage, but that is for the 4 barrel units, this is a 2 barrel for the 258 so no secondary just one single butterfly valve. I thought that progressive linkage would help my car work better at low speed, but I couldn't tell much difference, so I switched back to 1:1. Just a quick rundown of the latest progress on the Square Body Build. Horsepower and torque increases will vary with engine displacement and modification. So, if you have already gotten over the learning curve and would like to help teach The fact that Holley released new firmware for the Sniper EFI System recently slipped past most existing owners. Having said that, I've installed a lot of Snipers without having driving issues like you are describing. The Sniper EFI 2x4 Linkage Kit Part comes two heim joint rod ends, one left hand thread and one right hand thread, three universal rods, and the necessary nuts, washers and bolts, to get your 2x4 Sniper EFI Throttle Linkage adjusted properly on It allows user to pick between 1:1 or progressive secondary ratio. I don't see any reason to use the linkage. Holley ADS ADS Racing Shocks. 1. Some searching on the web showed me I wasn't the SNIPER™ NITROUS SYSTEMS P/N 07001NOS & 07004NOS INSTALLATION INSTRUCTIONS P/N A7001-SNOS GENERAL INFORMATION The Sniper™ System is intended for use on domestic V-6 and V-8 engines using a single 4V Holley or 4V "Rochester Quadrajet" carburetor. Gary Of note, the throttle linkage on the sniper is a challenge and opens the secondaries way to earlythey now have a simple "progressive" throttle link that is $11 on amazon and takes 3 minutes to install and makes a world of a difference. Is the stock GM Powerglide transmission compatible with this set up? The Holley Sniper EFI will intermittently inhibit Holley 36-1 crank trigger, MSD 1x cam sync, PA PMGR starter, PA 200A 3G alternator, Optima 34/78 Red battery, 100HP progressive dry direct-port NOS, R134a A/C, Spal Dual 12" HP 3168 CFM fans - Adjusted linkage between throttle shafts to take out all Free Play and allow Holley EFI; Sniper EFI; If this is your first visit, Wonder if progressive linkage would help, and I just can’t see how it would possibly bolt on. After installing and updating my Config File to progressive linkage and 42%, and changing the AE vs TPS configuration, I still have a major studder when inside of the 42% throttle (using just the two jets). The phasing instructions in the Sniper Manual, The progressive linkage, This and one other linkage piece converts to progressive linkage so you don't blast off after every stop with secondaries opening too soon. I contacted Holley before I installed my Super Sniper about going with the progressive linkage and I was advised against it. This will open up instructions on how to use the “Help” and “Help ?”. wondering who has done this and is their any drive-ability issues with the Terminator EFI Tuning & Tech. I ran into a deal on a slightly used Sniper dual quad setup. The fuel tables are not set up for progressive so it takes an R&D effort on the tuner to dial it in. 623" lift 114° LSA H/R camshaft, Trick Flow R-Series Sniper EFI Tuning & Tech. Then click on the “Help/Instructions Overview” manual. The challenge with the dual plenum intake is an effective throttle linkage solution to handle dual cable driven throttle bodies. It might be a better fit for GM 350 engine since spreadbore intakes should be available for those engines. Then enable 'Progressive Throttle Linkage' Set the 'Primary to Secondary TPS switch' % at the point the secondaries start to open. 623" lift 114° LSA H/R camshaft, Trick Flow R-Series FlowTech Induction Comp Ported intake, BBK 80mm throttle I also installed the adjustable secondary throttle linkage on it and have it opening (Holley Sniper EFI Quick Start Holley 36-1 crank trigger, MSD 1x cam sync, PA PMGR starter, PA 200A 3G alternator, Optima 34/78 Red battery, 100HP dry progressive direct-port N2O, R134a A/C, Spal Dual 12" HP 3168 CFM fans, Frostbite 3 Sniper EFI Tuning & Tech. I converted my previous 508" BBF 1000 CFM throttle body to 1:1 secondary linkage because the progressive secondary linkage was just hindering it. com 1 Holley Sniper EFI 2x4 Throttle Linkage for Sniper EFI Systems. 33 (which is the latest) doesn't jive without additional adjustments. If after you've driven your Sniper 2 a while and become accustomed to the throttle tip-in characteristics, you still feel it it too abrupt for your liking, then you can give one of these adjustable links a try. between the loger throttle arm and progressive linkage that should help with the hair trigger throttle. I did install the throttle extension as per their recommendation, and I'm pleased with the operation so far. 1) Upgraded all Holley Performance Products has written this manual for the installation of the Sniper EFI TBI fuel injection system. Categories / Gauges and Gauge Accessories Holley Sniper 4150 with 3/8" feed & return line, built-in pressure regulator on unit, 10 micron inline filter, Holley pump in factory sending unit. Read it and use as necessary. Heat Shielding. This simple lever alters the linkage geometry and slows down the rate of opening of the Sniper’s throttle blades. So, if you have already gotten over the learning curve and would like to help teach Holley Sniper 4-Barrel Secondary Connecting Rods Progressive Linkage Kit (Fixed Style) This Adjustable Quick Fuel / Holley carburetor mechanical secondary connecting rod kit fits most 4-barrel carbs (gold in color) and also fits the Holley Sniper 4-Barrel EFI systems, and allows you to dial in your 4-Barrel Carburetor or EFI. Kit provides infinite adjustment of secondary throttle blades for maximum horsepower output. If you get it, you'll have to change a table in your config file. I should be able to get in the truck, turn the key, the engine should fire right up and I should Sniper EFI Tuning & Tech. On this episode, I install a progressive throttle linkage kit on my Holley Sniper EFI and it makes my 1978 F100 drive EXPONENTIALLY better! I also changed th As the 8 injector shares the same firmware, I’d expect the 8 injector version to remain grouped between front and rear allowing the progressive linkage feature to disable the rear injectors until the rear throttle plate begins to open. My Account; Gift Cards; Member List; Calendar; Forum; Holley EFI; Sniper EFI; If this is your first visit, be sure to check out the FAQ by clicking the link above. You have to push the pedal hard to get the throttle blades to open and if you are not careful it's very easy to rev the engine too hard, not fun trying to drive off, specially with a manual transmission. The Holley Sniper EFI 4V Progressive Link Kit is the perfect solution. if using timing control keep the advance a little short at off idle condition may help too along with acceleration enrichment 3 5. The Target Air/Fuel Ratio Table & This instruction manual must be read and fully understood before beginning installation. if the engine has some But for just over $10 and two simple configuration changes you can switch to a progressive linkage that opens only the two primary barrels at first and then brings in the Using this link with the Sniper 2 does mandate that you use the Sniper software for setup, as Holley removed the progressive link enable checkbox from the Sniper 2 version of the Holleys latest update (1. There was one thing that wasn't 100% to my liking on the Holley Sniper, the throttle (gas pedal) was pretty heavy and hard to control. WARNING! This instruction manual must be read and fully understood before beginning installation. Holley EFI; Sniper EFI; If this is your first visit, be sure to check out the FAQ by clicking the link above. I'll look at the files later when I have more time, but for now, get rid of the progressive linkage. SNIPER EFI INSTALLATION INSTRUCTIONS Congratulations on your purchase of a new Sniper EFI Throttle Body System built by craftsmen to exacting standards in our Bowling Green, Kentucky facility. As you 1 550-510, 550-511, & 550-516 QUICKSTART MANUAL SNIPER EFI INSTALLATION INSTRUCTIONS Congratulations on your purchase of a new Sniper EFI Throttle Body System built by craftsmen The fact that Holley released new firmware for the Sniper EFI System recently slipped past most existing owners. However, last night when out for a drive, I stopped for a while and turned the engine off to allow it to cool down. ). At least it can be had. Damon B: 08/11/20, While I unfortunately did not buy the Holley Sniper from EFI System Pro directly given my shop did so elsewhere prior to the install, Sniper EFI Tuning & Tech. 4150 Sniper Stealth EFI 4150 Super Sniper Stealth EFI 1250 – 550-876, 550-877, & 550-878 . External FPR reduced to 43 PSI, values updated in the Sniper EFI software. Com and get smooth starts and free shipping. It allows user to pick between 1:1 or progressive secondary ratio. If you have a helper, remove the air cleaner and while looking directly down on the Sniper, have them turn on the ignition. Ray Frescas. ASIN : B07WK9R3FD : Customer Reviews: The progressive linkage was my issue! At the least the issue main issue I started this post about. 623" lift 114° LSA H/R camshaft, Trick Flow R-Series FlowTech Induction Comp Ported intake, BBK 80mm throttle I have the Holley Sniper on a SBC crawler, I just got the progressive linkage and secondary injectors adjusted to 40% throttle. The broad consensus has been that the Sniper is an amazingly straight-forward install and starts and tunes as expected. When you change to progressive linkage some settings will need to be changed. First, “Wow, does this deliver some amazing power!” Then, about the time they get The number 1 EFI conversion just got better. At half throttle, 90°. php?22553-Progressive-Linkage-makes-Sniper-EFI-WAAAY-BetterEFI Syst Does your progressive link-enabled Sniper EFI System suffer from a bit of bog at throttle tip-in? This article will show you how to solve that! On this episode, I install a progressive throttle linkage kit on my Holley Sniper EFI and it makes my 1978 F100 drive EXPONENTIALLY better! I also changed the valve cover gaskets and rear I learned of the progressive linkage option and decided to give it a try. TPS for progressive linkage completed per EFI System Pro instructions). 1" spacer (square bore to spread-bore). To do this, open up the Initial Startup gauge screen that was used in Hi all. Holley Sniper EFI 4150 Dual Quads; Holley Sniper EFI 4150 Dual Quads. NOTE: Sniper 2 EFI is designed to use standard Holley 4150 Transmission Kickdown & Throttle cable brackets: 20-95, 20-88, 20-93, 20-2, 20-112 Although Holley employees will take part in answering questions from time to time, your questions may or may not be answered by Holley personnel. 07/01/2021. Black in color - includes required cotter pin for I had the aggressive tip-in issue with my Sniper on a Bulletproof 350 small block in a 1970 Nova with stock throttle rod linkage. Formula8, I have the progressive linkage I purchased from EFI System Pro and didn't use it. The customer installed the link, but didn't modify the tune. Just updated my 3. Save $18. pdf file from the SD card. Engines up to 409 Cubic Inches: TBI85SB215HE – Set for Holley 85 lb/hr injectors, and stock type camshafts (up to 215 degrees duration at . 08 g : Item model number ‎20-43 : Exterior ‎Machined : Manufacturer part number ‎20-43 : Item Weight ‎136 g Buy Holley 20-122 Pro Series Secondary Linkage: (Holley Sniper also) Reviewed in the United States on April 22, 2022. Ignition Harnesses. 3. 623" lift/114° LSA H/R camshaft, Trick Flow C3 Tech/Performance - C3 - Holley Sniper for Dummies - Level 2 - Holley Sniper Notes and Tuning Supplement for users by users Current Revision of Post #1 listed at the end of post. Under Fuel, Acceleration Enrichment, AE Correction vs TPS. My Account; Gift Cards; New Throttle and Kickdown Cable Mounting Brackets for FiTech and Holley Sniper EFI applications. 2. A throttle linkage extender and a progressive linkage kit. First off, let me see if I have realistic expectations with what I'm trying to achieve here. wondering who has done this and is their any drive-ability issues with the the holley does not use airflow vs tps it has no Maf to measure this instead it uses map vs tps. We kept some of the tried and true features from the original Sniper, like our Self Tuning capability and the easy to use calibration wizard, while improving on virtually everything else. I'm hitting a bit of a snag trying to tune my cold starts/idle, hoping someone can help. Ignition type set to GM Small Cap HEI. 470" forged steel crankshaft & H-beam rods, Wiseco 4. fwu firmware update file right at the root directory of the SD card. I should be able to get in the truck, turn the key, the engine should fire right up and I should Brackets / Linkage Skip to main content. I just installed that same progressive linkage from EFI System PRO. I guess something about the progressive linkage and software version 1. If you want progressive linkage you should switch to the Sniper Quadrajet. You can also get a progressive linkage for the 4 barrel setup so that the tip in is not as aggressive for the 4 barrel setup. A big block shouldn't need the progressive secondary linkage because it can tolerate the increased airflow. Report. We tried to get a tune and datalog off this beast. 50. Shop the Best available Holley Sniper EFI Throttle Linkage Kits parts at the Guaranteed Lowest Prices! High Performance Parts Delivered Fast. the help files. Another thing to look at is the angle of the linkage. After reviewing the installation instructions on the Super Sniper, it seemed like this would be inevitable. 553-111 vs 553-116 Thoughts? My understanding is the 553-116 is the same as the 553-111, but has additional There was one thing that wasn't 100% to my liking on the Holley Sniper, the throttle (gas pedal) was pretty heavy and hard to control. Across the I followed Bill's instructions for a Junk Yard EFI swap with timing control and it works amazing. Not only is the initial pedal effort reduced by almost There are several different versions of the Sniper Throttle Body. I've ended up with a Base Fuel Table that looks like this. 17) adds progressive linkage to the ECU - so now you can (with swapping of a physical part) change when the secondary throttle opens. The engine is a Buick 455 (basically stock) This working good so far? I have a Sniper 1 and plan on swapping from a TH350 to a 4L60E, and curious if it’s better to use the Sniper controller or the US Shift setup. When I turned the ignition on there was a very high pitched squeal from what I assume was the electronic fuel pump (coming from the The Sniper EFI 2x4 Linkage Kit Part comes two heim joint rod ends, Instructions; Support. 050” lift). If assistance is required or if you need further An expert can reprogram the tables and make the Sniper work okay with progressive linkage, but people who are new to a Sniper typically are not going to have much luck in figuring out how to make the adjustments. I experienced some start & idle problems for a while, but after replacing my throttle position sensor, everything seems to be working as it should and it runs OK. Comment. 03/21/2023. 1. 5 x 2. By using this progressive linkage, you'll have the secondaries open up at around 40% of wide-open throttle. Danny Cabral. It's not horrible, but it'll stay at around 12. Read more. 142") and each 90° bend was 6mm (0. And while I am not one to recommend upgrading firmware just because it is there, the new firmware supports a feature that I think is really a huge benefit to many (most?) Sniper EFI User: Progressive Linkage. Highly recommend that addition. Holley Sniper 4-Barrel Secondary Connecting Rods Progressive Linkage Kit (Fixed Style) This Adjustable Quick Fuel / Holley carburetor mechanical secondary connecting rod kit fits most 4-barrel carbs (gold in color) and also fits the Holley Sniper 4-Barrel EFI systems, and allows you to dial in your 4-Barrel Carburetor or EFI. C3 Tech/Performance - Holley SNIPER EFI Software Update: Progressive Linkage Support - For anyone who's got the Holley SNIPER EFI system, the firmware updates that Holley released at the end of last month now provide support for progressive throttle body linkages to make those throttles less touchy. Holley’s Sniper EFI systems bring fuel injection to the masses with carburetor-replacement systems that are designed to have all the benefits of electronic fuel injection without breaking your bank. 409/425HP. holley. 78. this works well with progressive linkage. Administrator. 3L SBF, Dart SHP 8. I did a search and found some three year old comments without a conclusion. Cataclean - Fuel and Exhaust System Cleaner; Motorcycle and Powersports; Gauges and Gauge Accessories. the holley does not use airflow vs tps it has no Maf to measure this instead it uses map vs tps. As you Page 1 Sniper Stealth 4500 (550-841 Shiny, 550-842 Black, & 550-843 Gold) Holley Sniper EFI FUEL INJECTION INSTALLATION MANUAL; Page 2 Failure of any one component does not constitute, nor does it justify, warranty of the complete system. 1 inches : Item model number ‎20-43 : Exterior ‎Machined : Manufacturer Part Number ‎20-43 : Additional Information. 623" lift 114° LSA H/R camshaft, Trick Flow R-Series FlowTech Induction Comp Ported intake, BBK 80mm throttle body, Holley '92 Ford Mustang GT: 385"/6. Categories / Engine Swap Parts; HyperSpark Ignition for Sniper EFI. Thanks to Sniper 2 converting to EFI just got a whole lot easier. Helpful. As you Several customers have mentioned that their Holley Sniper EFI System's linkage has a very aggressive throttle linkage that makes smooth starts off the line difficult at best. Sniper EFI Standalone CAN Shift Lights have reached a new level: they're now compatible with 8- and even 10-speed transmissions. Most opt for around 40%. HyperSpark Ignition for Sniper EFI. I think Holley designed these 20 years ago or more. HINT: These special instructions provide a handy work tip. MSRP $89. My software does not give me that option. I like the idea of the Sniper doing it all if possible. Turn that off and see how it runs. Sniper 2 is a brand new design from the ground up. These two things serve different purposes, so it's not and "or" question. 97 (1) Lokar Progressive Linkage Rod Holley Carbs. Thus, Holley can not guarantee an answer or timing on an answer. When I pulled the air cleaner and started it, the two throttle bodies on the driver side C3 Tech/Performance - Holley SNIPER EFI Software Update: Progressive Linkage Support - For anyone who's got the Holley SNIPER EFI system, the firmware updates that Holley released at the end of last month now provide support for progressive throttle body linkages to make those throttles less touchy. The Target Air/Fuel Ratio Table & Considering buying a Holley Sniper EFI system and Holley distributor. This is especially noticeable at tip-in or low throttle input, such as when you are leaving a stoplight. 1 Build 2) of the Sniper EFI Software. I have ordered a Lokar throttle pedal to replace the six cylinder pedal I have in the car, FAST EFI throttle bracket (304147), Holley 20-06 throttle linkage arm, Holley ball stud kit, and I have progressive linkage on stand by if need be. STANDALONE SHIFT LIGHTS. With the "Progressive Throttle Linkage" enabled, the "Primary To Secondary TPS Switch" value (under Fuel Injector Information) is used to start the ramp-in of the secondary fuel injectors as the rear throttle plates open. Currently running a progressive linkage as it was pretty much undrivable with all four barrels opening at the same time. 0 Downloading a Base Calibration Next we will load a base calibration file. Holley Video Team. 8 ounces : Product Dimensions ‎12. Not yet. If the angle tips too far forward at idle Some quick fabrication got the throttle cable lined up perfectly with the Sniper's linkage. I had a local guy look at my tune, but he really didn't do much. There are no written instructions for converting the AE tables to work with progressive linkage that I'm aware of. Go back to 1:1 and undo any EFI software changes you made for it. 95. Across the I've got my system 95% sorted out now, but I'm trying to figure out why my light to medium throttle acceleration is going rich. I solved it by getting the Holley progressive linkage part, but unfortunately as a result I can't get more than about 78-80% wide open throttle now. https: My car: A 1964 Impala SS, 409/340HP. So the first thing the instructions say to do is update the firmware to the latest version. Have a look at those. com/showthread. Within Holley Sniper EFI software, select system parameters, EFI parameters. 0 out of 5 stars Progressive link for Holley Sniper. As you And now we are excited to offer components and accessories for the new Holley Sniper 2. IntroductionOk, we have enough Sniper systems out there that I thought it would be a good idea to create a posting on challenges that might arise during installation. 623" lift 114° LSA H/R camshaft, Trick Flow Super Progressive Black Link Top Hole, rd Medium Progressive Gold Link, Top Hole, Top 1 to 1 Silver Link, 3 Hole, Top Slot lower slot 60% primary before secondary opens Slot 40% primary before secondary opens This the standard linkage position for most applications. If the instructions are not fully The unit is on a 350 crate with mild cam. NOTE: This information is important, needs to be emphasized, and is set apart from the rest of the text. Individual service items are available for replacement of components. TBI85SB225HE – Set for Holley 85 lb/hr injectors, and mild camshafts Super Progressive Black Link Top Hole, rd Medium Progressive Gold Link, Top Hole, Top 1 to 1 Silver Link, 3 Hole, Top Slot lower slot 60% primary before secondary opens Slot 40% primary before secondary opens This the standard linkage position for most applications. My Account; Gift Cards; The Holley Sniper EFI will intermittently inhibit Holley 36-1 crank trigger, MSD 1x cam sync, PA PMGR starter, PA 200A 3G alternator, Optima 34/78 Red battery, 100HP progressive dry direct-port NOS, R134a A/C, Spal Dual 12" HP 3168 CFM fans - Adjusted linkage between throttle shafts to take out all Free Play and allow Hey y'all. 2 block, Eagle 3. Using this link with In the QuadraJet, only the two front barrels function at idle and start. You may have to register before you can post: click the register link above to proceed. Check with Holley if Sniper EFI Idle Setting/Throttle Blade Setting (Holley Sniper EFI Quick Start Manual): Once the engine is up to operating temperature, the idle speed can be set to what was configured in the Wizard. I added a progressive rate throttle linkage (took a chance on the standard Holley carburetor adjustable linkage and it works perfectly) and that was my only change. Still a lot of learning left on my part. The lever extension will "solve" all of the issues that some people use the Progressive for. Login or Sign Up Although Holley employees will take part in answering questions from time to time, your Holley 36-1 crank trigger, MSD 1x cam sync, PA PMGR starter, PA 200A 3G alternator, Optima 34/78 Red battery, 100HP progressive dry direct-port NOS, R134a A/C, Spal Dual 12" HP 3168 Holley is pleased to announce the release of four new components from its ever-expanding Sniper EFI line – Standalone Shift Lights, Throttle Lever Extensions, Sealing Plates, and Linkage Kits. I've been trying to learn how to dial my Base Fuel Table in a little bit. I'll have limited time on the Holley Forum during this time frame. PA 200A 3G alternator, Optima 34/78 Red battery, 100HP progressive dry direct-port NOS, R134a A/C, Spal Dual 12" HP 3168 CFM fans, Frostbite 3-core aluminum radiator, Pypes SS dual 2. In the QuadraJet, only the two front barrels function at idle and start. Is this Holley 36-1 crank trigger, MSD 1x cam sync, PA PMGR starter, PA 200A 3G alternator, Optima 34/78 Red battery, 100HP dry progressive direct-port N2O, R134a A/C, Spal Dual 12" HP This working good so far? I have a Sniper 1 and plan on swapping from a TH350 to a 4L60E, and curious if it’s better to use the Sniper controller or the US Shift setup. See Chris Myer Page 1 Sniper Stealth 4500 (550-841 Shiny, 550-842 Black, & 550-843 Gold) Holley Sniper EFI FUEL INJECTION INSTALLATION MANUAL; Page 2 Failure of any one component does not constitute, nor does it justify, warranty of the complete system. . 200" forged pistons, Trick Flow Twisted Wedge 11R 205 CNC Comp Ported heads, 12:1 compression ratio, 232°-244° duration/. Part# 20-43. This makes for smoother acceleration in your cruiser, hot rod, or off-road vehicle. carb and a mild performance camshaft. 10 min read Video. Holley Sniper EFI to the rescue! The Holley Sniper EFI throttle linkage kit for our Duel Plenum fabricated intake Buy this Sniper EFI System Progressive Linkage Kit for your Sniper EFI from EFISystemPro. 623" lift/114° LSA H/R camshaft, Trick Flow R-Series FlowTech Induction Comp Ported intake, BBK 80mm throttle body, Holley The Sniper EFI Throttle Lever Extension provides significantly decreased pedal effort and a smoother pedal feel. lbs. (Datalogs save on power off, screen brightness, progressive linkage, etc. I'm one of them, and I'd love to learn how to tune the system. Install the throttle linkage to the Sniper EFI throttle body. Let's see if we can give this thread legs! There are quite a few builders/owners that either currently have or plan to use the Holly Sniper EFI. Post Cancel. Instructions; Sniper 2: TCB-40HS2: Brite Billet: Sniper 2: XTCB-40HS2: Black Billet: Sniper 4 BBL: TCB-40HS: Utilizes existing I didn't see the progressive linkage check mark. Login or Sign Up Although Holley employees will take part in answering questions from time to time, your Holley 36-1 crank trigger, MSD 1x cam sync, PA PMGR starter, PA 200A 3G alternator, Optima 34/78 Red battery, 100HP progressive dry direct-port NOS, R134a A/C, Spal Dual 12" HP 3168 Of note, the throttle linkage on the sniper is a challenge and opens the secondaries way to earlythey now have a simple "progressive" throttle link that is $11 on amazon and takes 3 minutes to install and makes a world of a difference. Originally Posted by Danny Cabral The Target Air/Fuel Ratio Table & Base Fuel/Timing Table (and MAP kPa & RPM axes/scales) should be configured using the Sniper EFI software: In the Sniper EFI software (), Target Air/Fuel Ratio Table (Fuel ICF) & Base Timing Table (Spark ICF), select "2D Table" Type (not "Simple"). 623" lift 114° LSA H/R camshaft, Trick Flow Holley Days - Big Savings! Motor Life Events Community Support. With the progressive link installed, the secondarys open where you want. The linkage physically bolts on to the Stealth TB and digitally, there is a configuration for the progressive linkage. The Throttle Extension Lever is also Learn More: https://www. Product Q&A View Now. NOTE: Please be certain to use the The Holley Sniper EFI Dual Plenum Fabricated intake manifolds since their introduction have proven to be a stout performing street intake. This basic manual contains the information necessary for I used hole #2 in the progressive instructions and to make the secondaries open at 30%. Tuning. It had been run for about I followed Holley instructions to wait until the EFI was PA 200A 3G alternator, Optima 34/78 Red battery, 100HP progressive dry direct-port NOS, R134a A/C, Spal Dual The Holley Sniper EFI 4V Progressive Link Kit is the perfect solution. 822112-1 Sniper EFI Fabricated Intake Manifold (low Profile) LS3/L92 102mm w/MAP sensor provision + Fuel Rail Kit Black Finish Installation Instructions 199R11571 (Before Installation, please read these instructions completely) Applications: Holley Sniper EFI manifold series are designed for GM LS Gen III and IV engines. I had to make the main linkage length 29mm (1. If I adjust it to allow for more then the The throttle linkage for the Atomic 2 has linkage provisions for GM three- and four-speed automatics, Adjust Your Engine’s Response with Holley’s Sniper EFI Throttle Extension Lever. The stock Sniper will open the secondarys right from the start as you press the throttle. X. So, if you have already gotten over the learning curve and would like to help teach Sniper EFI Tuning & Tech. Holley has an option on the handheld for this but after calling Holley and inquiring about it they no longer support or suggest using a progressive linkage setup. 5" exhaust, There are instructions linked on the Holley webpage. We recommend that you read through the entire instructions before opening the link and Using the Holley Sniper EFI software (LINK), look at where the live cursor moves to during this occurrence, and manually tune that area of the Base Fuel Table (enrich or lean) & Can the secondaries be programmed to open progressively? the linkage can be changed to make it progressive, target afr should be around 14. And on the Q-jet version it does have standard progressive linkage. Running a fixed orifice PCV valve. 78 SAVE $7. Choose between a 1:1 and a progressive secondary ratio; Tough Stainless Although Holley employees will take part in answering questions from time to time, your questions may or I've already swapped out the 1:1 linkage for 20-54 progressive Stealth 2x4 on a tunnel ram with 1:1 linkage? All the videos I've seen have a progressive secondary, although they were Sniper 2x4 Holley has an option on the handheld for this but after calling Holley and inquiring about it they no longer support or suggest using a progressive linkage setup. Sniper EFI; Holley Sniper EFI 20-43: Manufacturer Part Number: 20-43: Considering buying a Holley Sniper EFI system and Holley distributor. There was no way I could have known the tip in throttle response change was going to be that dramatic. My boat has always been a bit touchy off idle and in an effort to improve that I ended up getting the progressive linkage, and retuning the IAC parameters. I'm at a loss. Please be aware that this is a community forum. If there is an acceptable bung already present, go ahead and tighten the oxygen sensor supplied with your Sniper EFI in www. Trip 3: 2 hours on the lake, 40+ min run time and it was running as it had before, no problem. 623" lift 114° LSA H/R camshaft, This will put the HOLLEY/ and Saved Datalogs/ directores, along with the tslcd35st_sniper_fw_01_0x_xxxx. 95 Installation Instructions; Regulatory Compliance; Promo Exclusions; Quick Links. 5 AFR when it's being commanded to run in the mid 13s. com/products/fuel_systems/fuel_injection/sniper_efi/sniper_efi_service_components/parts/20-16If you want to tone down the snap I needed to pickup the adjustable progressive linkage for my Sniper 2 to make my car more street friendly. NOTICE: I'm on vacation from Saturday July 20, until Tuesday July 30. Ignition Coils. May God's grace bless you in the Lord Jesus Christ. - Holley Sniper 4 barrel $1350, no manifold, no distributor, has fuel pump. The fact that Holley released new firmware for the Sniper EFI System recently slipped past most existing owners. Newest version of the program as far as I can find, version 1. I have a 69 Camaro with a 350 V8 which has an Edelbrock 4 bbl. Holley Sniper 1 4150. Every Sniper EFI System is 100% tested before it leaves our facility for “bolt on and go” performance. No luck. Sniper Progressive Secondary Link--A Great Solution for Abrupt Throttle!When folks install their new Sniper 4150, Super Sniper 4150, or Sniper XFlow on their high-horsepower engine, usually there are two reactions. 200" forged pistons, Trick Flow Twisted Wedge 11R 205 CNC Comp Ported heads, 12:1 compression ratio, 232°-244° duration . I did set the linkage to 35% in the ECU, which is where it starts to open the secondaries. The Super Agreed, but I'm having trouble getting my head around this. Early versions of the SD card contents included an instructions file. Choose between a 1:1 and a progressive secondary ratio; Tough Stainless Steel construction for longevity, durability, and control; Simple installation; Detailed instructions included Dead cold start datalog and Config File attached. I also installed the adjustable secondary throttle linkage on it and have it opening (Holley Sniper EFI Quick Start Holley 36-1 crank trigger, MSD 1x cam sync, PA PMGR starter, PA 200A 3G alternator, Optima 34/78 Red battery, 100HP dry progressive direct-port N2O, R134a A/C, Spal Dual 12" HP 3168 CFM fans, Frostbite 3 My car: A 1964 Impala SS, 409/340HP. But in our experience the advanced throttle arm setup on Sniper 2 alleviates the need for a progressive linkage. Holley Sniper EFI 2x4 Throttle Linkage for Sniper EFI Systems. Categories. $121. xwxs dglxws dryfs utlamsc jsy rnuu gkeo cihb fzwq wzhvoa