Jan 6, 2005 · TPI - Tuned Port Injection discussion and questions. LB9 and L98 tech, porting, tuning, and bolt-on aftermarket products.

Thread Pitch Chart Thread series cover designations of diameter/pitch combinations that are measured by the number of threads per inch (TPI) applied to a single diameter. Coarse …

When using a 1990-1992 TPI and 1992-1993 LT1 engine, use the Stealth Conversions’ VSS/speedometer sleeve shown on page 12-4 (which only fits the 700-R4 transmission and …

Oct 25, 2011 · I found the correct vacuum lines for the 85-89 TPI.. FWIW pax side cannister lcoation is correct for my stock 89 Formula 350 TPI.

Tho the TPI system is not a sequential fuel injection system, and therefore all 4 injectors on each side fire at once, I suggest marking the locations (from 1-8) of the respective plug-to-injector, …

Jul 27, 2025 · Re: Vacuum Lines Diagrams!!! I GOT THEM ALL!!!!! Open the link at post #239 and you will find this diagram. I don't have TPI myself, but the connection in your picture has to …

All TPI 350 IROC-Z's (1987-1990) and all TPI 350 Z28's (1991-1992) had automatic transmissions and most had rear disc brakes. The eighth digit of the VIN is an `8' for 350 TPI's and an `F' for …

General Third Gen Tech Data 1986 Chevrolet Camaro 1986 Camaro History1986 Camaro Production Numbers1986 Camaro Drivetrain List 1986 Camaro Pictures 1986 Chevrolet …

Throttle Body Coolant Bypass By IROCZDave ([email protected]) This procedure is considered a "free modification." After doing this myself on my engine (88′ 350 TPI) I noticed a difference …

Q: What are the different runner lenghts and port diameters for the different aftermarket TPI runners and bases? A: Runner Type Length (in.) Port (in.) Stock TPI 7.250 1.470 round …