Most popular

When did the GM port injection system come out?

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.

When did sequential port injection start in corvette?

In 94, OBDI or EEPROM, computers were first used in the Corvette and F Body Cars. This was the 1st year for Sequential port Injection in these cars. In 96 the LT4 appeared in the manual trans Corvette, it is rated at 330 HP and 340 lb ft torque. It looks the same as the LT1, however the heads and valve train have been modified.

What does fuel injection mean in Chevy Hilborn?

FUEL INJECTION,WIRING HARNESSES,TPI, Fuel Injection, Chevy TPI ,G Body, TBI, Astro Van V8, Hilborn, Hilborn Conversions, Parts ,transmissions, Vehicle Speed Sensors, fuel injected engines! Jims Performance Telephone – 410-465-9569

What’s the compression ratio on a GM Port Injection?

The compression ratio is (Premium Gas Only) 10.8:1 compared to the 10.4:1 LT1. This engine makes 330HPat 5800 RPM and 330 lb ft Torque at 4500 RPM. For 96 all Chevrolet engines are Sequential Port and are equipped with On Board Dianostics Phase II (OBDII) PCM’s.

When was central port injection introduced in corvette?

This system uses a ECM GM Part #1227727 for the Corvette and 1227730 for Camaro. Another fuel system was introduced in 1992 called Central Port Injection (CPI) and appeared first on the 4.3L (W) L35 Engine. This system is the equivalent of TPI for the V6 and will increase horsepower and torque by a factor of 20% over TBI.

How does the cold start injector work on a GM car?

The cold start injector provides a spray of fuel, of 8 seconds duration max, to each cylinder via a air distribution system built into the intake manifold. If the engine temperature is greater than 100 deg F, the cold start injector is disabled by the cold start switch.

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.

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.

This system uses a ECM GM Part #1227727 for the Corvette and 1227730 for Camaro. Another fuel system was introduced in 1992 called Central Port Injection (CPI) and appeared first on the 4.3L (W) L35 Engine. This system is the equivalent of TPI for the V6 and will increase horsepower and torque by a factor of 20% over TBI.

What was the difference between 1985 and 1987 fuel injection?

The only differences were the addition of the TPI (1985) and improvements in the valve train (1987). Note that this is a 20% improvement over another proven form of fuel injection. Several modifications have been made to the TPI system introduced in 1985.

Where to put the cold start injector in an 85-88 Camaro?

AK, HI, PR, Canada & all others shipping will be calculated and we will email you regarding the amount. Kit allows you to remove the cold start injector from your TPI intake. Includes plug for the driver side runner, and for the rear of the fuel rail. Will fit all 85-88 305 TPI and 87-88 350 TPI engines.

What kind of suspension does a Camaro Z28 have?

Offered as an option package on the Z28, the Camaro IROC-Z featured an upgraded suspension, lowered ride height, specially valved Delco-Bilstein shocks, larger diameter sway bars, a steering/frame brace known as the “wonder bar”, a special decal package, and an optional Tuned Port Injection system taken from the Chevrolet Corvette.

What kind of ECM chip does a Camaro use?

We offer custom programmed chips for 85-93 Corvette, Camaro, Firebird, and street rod applications using the Tuned Port or LT1 system. PLEASE NOTE PICTURE IS REFERENCE ONLY!

What kind of transmission did Chevrolet Camaro have in 1983?

Due to its late introduction, 3,223 L69 V8s were sold for the 1983 model year. Transmissions were upgraded for 1983. A Borg-Warner 5-speed manual transmission replaced the previous 4-speed. A 4-speed automatic transmission with overdrive replaced the 3-speed automatic transmission in the Z28.

Author Image
Ruth Doyle