When does the TPI run out of steam?
Either that or hose from pump to sending unit, Put a guage on it. The stock TPI’s run out of steam about 4500 RPM or so. You’re wise not to spend too much money on the motor without beefing up the TPI. You can get larger runners to take advantage of improved heads and other upgrades however.
What should the TPI be on a Camaro?
THe 305 and t.p.i. is already out of the car, I yanked it last night. The 421 s.b. I have starts making the most of it’s power above 3000 and cranks out to about 7100. I have plans to streep/strip this car.
Where is the fuel pressure tap on a Camaro?
The regulator is after the injectors, and the fuel pressure tap is before the regulator. Do u have fuel pressure to the fuel rail? The injectors could be stuck open, but all the right side are electrically connected together, same with the left. Both sides are ground controlled.
What’s the fuel pressure on a Camaro IROC?
I recently bought a 85 IROC with the 305 TPI. This car hadn’t ran in 3 years so after the nomal repairs it fired right up and ran fine. Fuel Pressure was holding steady at about 40 p.s.i. Fast forward a few days and I tried to start it again and no fuel pressure.
THe 305 and t.p.i. is already out of the car, I yanked it last night. The 421 s.b. I have starts making the most of it’s power above 3000 and cranks out to about 7100. I have plans to streep/strip this car.
Is the 1985 TPI injector included in the vats module?
After 1987 some calibrators incorporate a vehicle anti theft system (VATS). The ECM will not fire the injectors until it receives the proper signal from the VATS module. The 1985 TPI calibration is contained in a EPROM (Eraseable Programmable Read Only Memory) and is a 32K chip.
Either that or hose from pump to sending unit, Put a guage on it. The stock TPI’s run out of steam about 4500 RPM or so. You’re wise not to spend too much money on the motor without beefing up the TPI. You can get larger runners to take advantage of improved heads and other upgrades however.
When did the GM port injection system come out?
BUY A TPI SYSTEM The first production TUNED PORT INJECTION (TPI) appeared on General Motors vehicles in 1985. The GM vehicles built with these systems were Corvette, Pontiac Firebird & Trans AM, and the Chevrolet Camaro.