The MOST complete! How to properly rebuild the TPI (Tuned Port Injection) fuel rail assembly for the 1985-1992 Chevrolet IROC / IROCZ / Z28 Camaro, Pontiac Firebird Trans-Am / GTA and the 1985-1991 Corvette. The information works for 305 (5.0L) and 350 (5.7L) TPI applications. Includes information on how to repair the cold start injector, fuel pressure regulator diaphragm, 19 lb and 24 lb fuel injectors (including new Bosch replacements), transfer tube O-rings, and more. Tools, torque figures, and installation tips included.
UPDATE: The ACDelco / Chevrolet O-ring kit (containing the 9 TPI O-rings) has been discontinued. In it's place, I found an O-ring Kit by GP Sorenson (PN: 800-9211) available at AutoZone.
The TPI fuel injection shown is off of a 1986 IROC-Z. It's one of CamaroFamily's project cars. For more information on this project car, search the web for #IROCdaily. That's IROCdaily in the first couple of seconds of the video...and it has a FenderGripper.com fender cover on the fender.
CamaroFamily has multiple project cars. Look us up to see them all!
Find us on Instagram at @camaro.family
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We're the largest Camaro account on Instagram! Over 400,000 followers and growing!
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Contents of this Video
00:00 - Intro
01:15 - TPI cold start injector replacement / repair.
02:15 - Tools required.
03:09 - Noisy fuel pressure regulator.
03:57 - Parts required.
06:37 - TPI fuel rail O-rings.
07:46 - Remove O-rings and clean TPI components.
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About the Narrator (and co-owner of CamaroFamily):
Tony Huntimer has a wide range of experience and background in the automotive realm.
1990-1995 Mechanic for GM Export Division (worked on all GM models - Including Camaro Z28s, Firebirds, GTAs, Corvettes, & more) (with a focus on overall mechanicals as well as "body & weatherstrip" sealing division).
Authored published books:
2004 - "How to Build GM Pro-Touring Street Machines"
2005 - "How to Build Ford Restomod Street Machines"
2009 - "How to Rebuild the Big Block Chevy"
2010 - "How to Restore Your Camaro 1967-1969"
2016 - "Big Red [Camaro] Build Book"
Freelance writer for magazines:
Drive Magazine
Popular Hot Rodding
Super Chevy
Camaro Performers (columns "Tony's Toolbox" & "Resto Shop")
Chevy Hi Performance
Performance Aftermarket Retail Sales
1989 - Super Shops
2000 - 2008 (Sales and Buyer) Speed Merchant and Goodies Speed Shop
2011 - 2020
Authored and illustrated OEM factory owner's manuals and service manuals
(from assisting on illustrations on some projects...to doing complete cover to cover)
McLaren, Tesla, Fisker, VL Automotive, Gibbs, Brammo Motorcycles, Zero Motorcycles, and more
Has owned the following vehicles:
1948 Anglia, 1955 VW (Oval), 1968 VW (x2), 1968 Camaro, 1970 RS/SS Camaro, 1971 Camaro, 1973 Camaro, 1973 C10 4x4, 1978 Firebird, 1985 IROC, 1986 IROC (IROCdaily), 1988 Toyota MR2 (Factory Supercharged), 1992 Z28, 1994 Miata, and a few non-noteworthy vehicles.
