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Information on TPI swapping into an older vehicle.
Since its inception in 1985, The Tuned Port Fuel Injection system has captured the imagination of performance enthusiasts. With its sleek low profile, high tech styling, powerful torque and unlimited hop up capability, it is no wonder, over twenty years later, it has become one of the most popular swaps. Although there are many books and articles written on technical aspects and basic swap information, there is very little in the way of what has been published in those "nickel and dime" details that could either make or break your enthusiasm in installing a tpi in a non-tpi vehicle. I hope the information here will help guide you in making your tpi swap a successful one.
Distributor Gear Applications: Must Read!
Flow Chart Diagnosis/Troubleshooting
Do it yourself information (setting minimum air, TPS adjust and more)
LT1 (1992-95 OBD1) Trouble codes
ECM Schematics:
1226870 (1985 F&Y body V8 TPI)
1227165 - 16198259 - 16198445 (1986-89 F&Y body V8 TPI)
1227727 - 16197128 - 16198260 (1990-91Y body V8 TPI)
1227730 - 16196344 - 16198262 (1990-92 F body V8 TPI)
1227747 (1987-91 C/K Truck, Van, 4.3L, 5.7L, 5.0L & 7.4L)
1228746 (1989-92 F & B Cars, LO3 & LO5 TBI V8).
16136965 (1991-93 Caprice, Roadmaster L03 & L05 TBI V8)
16159278 (1993 F body LT1, 1992-93 Y body similar)
16181333 or 16188051 (1994-5 F, Y & B body LT1)
Prom BCC codes- TPI 1985 1986 1987 1988 1989 1990 1991 1992
Prom BCC codes-LT1 1992 1993 only. 1994-97 are non-removable flash proms
Basic Component information for the LS1 engines!
These engines are starting to be a very popular swap, so I am starting to include basic LS1-LS6-Vortec V8 information.
1998 LS1 PCM pinouts 1998 LS1 PCM Schematics PCM Service # 16238212
1999-2002 LS1 PCM pinouts: F body (Corvette similar). 1999-2002 LS1 PCM schematics PCM Service #'s 9354896/12200411
1999 Vortec V8 (4.8/5.3L) PCM pinouts (2000-2003 w/o DBW similar)
2003-2004 Corvette PCM pinouts.
2004 Pontiac GTO LS1 PCM pinouts
DTC Trouble codes courtesy of Street and Performance.
It is the responsibility of the reader to follow proper installation procedures and practices. Although care has been insure that basic procedures are included, specific component design, mechanical and electrical procedures, and the qualifications of the reader are beyond the control of the author, therefore the reader assumes all responsibility, and the author is relieved of any damages, whether indirect, consequential, including but not limited to personal or property or any other damages arising out of use or misuse of any information, or for any omission of information.
The site is no means connected with or sponsored by General Motors Corp, or the Chevrolet Motor Division.
Copyright 2001-2008 by Leonard Sparks. All pictures and text contained within this site are sole property of the author (Leonard Sparks)