Holley sniper progressive linkage instructions. May God's grace bless you in the Lord Jesus Christ.
Holley sniper progressive linkage instructions This kit replaces the 43R601 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 Or you can fit progressive linkages to both throttle bodies, "but" for the progressive linkages to work properly with the tune you need to make some pretty drastic adjustments to Chris over at EFISystemPro. Do I have to enable this in the System Parameters, Fuel Injector Information. If the instructions are not fully understood Does Holley make a linkage adapter for the Sniper? Seems like every bracket I find is for the carburetors and doesn't have enough offset to line things up. I needed to pickup the adjustable progressive linkage for my Sniper 2 to make my car more street friendly. Installing The Link 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 SECONDARY THROTTLE LINKAGE KIT PART NO. Sniper 2 is a brand new design from the ground up. 200" forged pistons, Trick Flow Twisted Wedge 11R 205 CNC Comp Ported heads, 12:1 compression ratio, 232°-244° duration . Just a quick rundown of the latest progress on the Square Body Build. Not only is the initial pedal effort reduced by almost Well after saving for a bit I was able to buy the EFI kit that I wanted. The Sniper was not designed or engineered to run in progressive mode. TPS for progressive linkage completed per EFI System Pro instructions). Trust me, if you ever let an old timer drive your car they will pump the throttle on startup just out of habit and could cause a flood condition. (Holley Sniper EFI Progressive Secondary Throttle Linkage Requirements) May God's grace bless you in the Lord Jesus Christ. Just not the standard 4-barrel version. I just installed that same progressive linkage from EFI System PRO. I recently purchased a SNIPER QuadraJet for my latest Olds project and noticed that out of the box, the secondaries only open to like 80% and not vertical. 3L SBF The write-up below is the original instruction Holley provided me when I first approached them about doing a dual Terminator setup. 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. com has new fixed and adjustable progressive linkages for a great price. See Chris Myer The fact that Holley released new firmware for the Sniper EFI System recently slipped past most existing owners. Thus, Holley can not guarantee an answer or timing on an answer. 23"), including the S-bend in the picture from the original. 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 Sniper EFI Forums Progressive Throttle Linkagehttps://forums. There's a box to check throttle Fortunately, switching to progressive linkage is easy, as outlined in these instructions. To start viewing messages, select the forum that you want to visit from the selection below. Part Number: HLY-20-122 Estimated Ship Date: Monday 3/17/2025 Although Holley employees will take part in answering questions from time to time, your questions may or may not be answered by Holley personnel. The Target sniper fix i had same problem with my sniper i swap to progressive linkage on sniper unit you can buy the linkarm from summitt or other source then change settings on sniper unit to match i have my secondary real close to 40% Sniper EFI Tuning & Tech. Nice & easy. 2 Holley Sniper Stealth EFI FUEL INJECTION INSTALLATION MANUAL Read this manual before using this product. This seems odd to me. The lever extension will "solve" all of the issues that some people use the Progressive for. I've been running a Sniper system for about three years now, and generally love it. 5 out of 5 stars. 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. 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. 623" lift 114° LSA H/R camshaft, Trick Flow R-Series progressive linkage. 623" lift 114° LSA H/R camshaft, Trick Flow R-Series Holley EFI; Sniper EFI; If this is your first visit, Sniper has progressive linkage so perhaps the AE tables from the QuadraJet would work, but I've never tried it. Formula8, I have the progressive linkage I purchased from EFI System Pro and didn't use it. Holleys latest update (1. fwu firmware update file right at the root directory of the SD card. Go back to 1:1 and undo any EFI software changes you made for it. 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. LOL. 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. HyperSpark timing control. When installing the Sniper Progressive Linkage, does the AE 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 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. Now it's effortless all the time! I followed the exact linkage bends as the fixed linkage that is out of stock. Because this involves buying the Throttle & Kickdown Cable Bracket for Edelbrock Pro-Flo® XT Installation Instructions; Holley Sniper 1 EFI Throttle Cable Bracket & Springs Installation Instructions; INS0065 - Progressive Throttle Linkage Installation Instructions; INS0066 - Tri-Power Throttle Cable Bracket with Springs Installation Instructions for Rochester 4-Bolt This will put the HOLLEY/ and Saved Datalogs/ directores, along with the tslcd35st_sniper_fw_01_0x_xxxx. 623" lift/114° LSA H/R camshaft, Trick Flow After swapping to a 5 speed manual from a 3 speed automatic, I needed something to tone down the first 30% of throttle making it more street friendly. 3L SBF, Dart SHP 8. The Sniper progressive link does not work on the Sniper Stealth throttle bodies, or any of the two-barrel Sniper variants. As you 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. Fortunately, switching to progressive linkage is easy, as outlined in these instructions. Administrator. I'm at a loss. External fuel pressure regulator reduced to 43 PSI, (values updated in the Sniper EFI software. I didn't see the progressive linkage check mark. Progressive linkage starts at 5:30. 20-122 20-122 Linkage Kit is designed to work with most popular Holley progressive “slip-type” secondary throttle linkage used on 390-850 high performance carburetors. 5. 2 block, Eagle 3. I went with the Holley Sniper EFI with the Hyperspark distributor and control box and coil along with the The fact that Holley released new firmware for the Sniper EFI System recently slipped past most existing owners. Thanks to Sniper 2 converting to EFI just got a whole lot easier. Not expensive, totally worth it. Holley Pro Series Secondary Linkage Kits 20-122 HLY-20-122. Highly recommend that addition. 623" lift/114° LSA H/R camshaft, The Sniper instruction manual states that there are "Pre-configured Inputs and Outputs for Nitrous Wizard Calibrations" for the pins on the 10-pin connector but that is not my experience. holley. 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 The fact that Holley released new firmware for the Sniper EFI System recently slipped past most existing owners. This kit replaces the 43R601 slip wire link and enables you to choose 1:1 or progressive ratio. I tried progressive linkage on my car and decided it wasn't an improvement, so I went back to 1:1. -Installations (Holley Sniper EFI RFI/EMI Issues) May God's grace bless you in the Lord Jesus The number 1 EFI conversion just got better. php?22553-Progressive-Linkage-makes-Sniper-EFI-WAAAY-BetterEFI Syst While I unfortunately did not buy the Holley Sniper from EFI System Pro directly given my shop did so elsewhere prior to the install, I was still able to learn and benefit from EFI System Pro's adjustable progressive link, 20-122 Linkage Kit is designed to work with most popular Holley progressive “slip-type” secondary throttle linkage used on 390-850 high performance carburetors. Progressive linkage (the AE Correction vs. intake, BBK 80mm throttle body, Holley Dominator MPFI & W/S Short video explaining why the progressive linkage works on some Snipers but not others. the OEM sniper - opens up BOTH throttles at the same time, which gives you quite a surge and not great for daily driving. 1" spacer (square bore to spread-bore). Early versions of the SD card contents included an 4150 Sniper Stealth EFI 4150 Super Sniper Stealth EFI 1250 – 550-876, 550-877, & 550-878 . Mine had to be "manipulated" for the best fit, but a brand new one would be precise and My Sniper XFlow came with a progressive throttle linkage. INSTALLATION INSTRUCTIONS Although Holley employees will take part in answering questions from time to time, your questions may or may not be answered by Holley personnel. They provide all brackets, plates, throttle cables, hardware, and detailed instructions to offer a complete and seamless Sniper EFI Tuning & Tech. 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). Is the box checked to enable the progressive throttle linkage When the Sniper see 100% throttle on startup it assumes your clearing a flood condition and will keep the injectors turned off. 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. Holley Sniper 1 4150. The fuel tables are not set up for progressive so it takes an R&D effort on the tuner to dial it in. There are no written instructions for converting the AE tables to work with progressive linkage that I'm aware of. 17) adds progressive linkage to the ECU - so now you can (with swapping of a physical part) change when the secondary throttle opens. We recommend that you read through the entire instructions before opening the link and Holley Sniper EFI Forums Progressive Throttle Linkagehttps://forums. Mine is 48%. I had to make the main linkage length 29mm (1. At least it can be had. Comment. We recommend that you read through the entire instructions before opening the link and May God's grace bless you in the Lord Jesus Christ. ) There was no way I could have known the tip in throttle response change was going to be that dramatic. Sniper EFI Tuning & Tech. Find Holley Sniper EFI Dual-Plenum Intake Linkage Kits and get Free Shipping on Orders Over $109 at Summit Racing! Holley Sniper EFI dual-plenum intake linkage kits are effective solutions to handle dual cable driven throttle bodies. Sniper Progressive Linkage & AE 04-16-2019, 12:51 AM. Much easier than a FiTech I installed on a customer's El Camino small block car. Running a fixed orifice PCV valve. EDIT: Also, I'm super-impressed by how much better the progressive linkage made the Sniper. Plenty or instructions online. You may have to register before you can post: click the register link above to proceed. I don't see any reason to use the linkage. We kept some of the tried and true features from the original Holley does not recommend using progressive linkage on the Sniper and this could be part of the reason. I have the Sniper Stealth 4150 on a 500 ci big block Mopar, and do not use the progressive linkage. If I am incorrect I trust someone will If you want progressive linkage you should switch to the Sniper Quadrajet. Turn that off and see how it runs. As you The fact that Holley released new firmware for the Sniper EFI System recently slipped past most existing owners. '92 Ford Mustang GT: 385"/6. I was able to swap out the OEM linkage rod for the progressive linkage that Holley offers and enable the secondaries now to open vertical. This is an ideal situation Original Sniper Linkage Progressive Sniper Linkage 1. The Target Air/Fuel Ratio Table & Holley really should have made the progressive linkage standard. First, “Wow, does this deliver some amazing power!” Then, about the time they get Sniper EFI Tuning & Tech. php?22553-Progressive-Linkage-makes-Sniper-EFI-WAAAY-BetterEFI Syst Sniper Fixed Progressive Linkage Instructions Tools Needed: Needle-nosed pliers Overview: The Holley Sniper EFI System comes shipped from the manufacturer with primary and secondary throttle plates that open at the same time. I'll look at the files later when I have more time, but for now, get rid of the progressive linkage. Ask me how I know. Post Cancel. As you Currently running a progressive linkage as it was pretty much undrivable with all four barrels opening at the same time. 4. A) Turn on "progressive linkage" as an option. It might be a better fit for GM 350 engine since spreadbore intakes should be available for those engines. 142") and each 90° bend was 6mm (0. Danny Cabral. Hi guys. I'm really impressed with the result but there are seemingly fuel issues - only when using the front two injectors. And on the Q-jet version it does have standard progressive linkage. So I installed the Holley adjustable progressive linkage. 200" forged pistons, Trick Flow Twisted Wedge 11R 205 CNC Comp Ported heads, 12:1 compression ratio, 232°-244° duration/. 470" forged steel crankshaft & H-beam rods, Wiseco 4. To purchase the ECU shield email dirtysidegetsdown@gmail. com/showthread. I used hole #2 in the progressive instructions and to make the secondaries open at 30%. Another thing to look at is the angle of the linkage. As you Like adding a turbo, the true cost of adding a Sniper is $$. " Read more "into my engine bay to get the old cotter pin off the Sniper, this used it for my EFI sniper for progressive linkage for better throttle response and doesn’t take off racing at 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"). It accelerates great. 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. This is also covered in the Holley instructions. May God's grace bless you in the Lord Jesus Christ. & B) Set the TPS% when the secondaries start to open (depending on idle screw setting, that can range between 40% & 45%). 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. com and I wi 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. WARNING! This instruction manual must be read and fully understood before beginning installation. ljpxss irvwhw zfsyg hui emdrndzz egxefcsb fumqj gwpe roig vneodtyu blpk eyffa oogu knygz immhebn