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1987 Pontiac Firebird 5.7L Poor Idle Quality, Hesitation
Posted to GM Driveability on 6/28/2002 4 Replies

I just finish a project where I swap in a 350 (5.7 L) in place of my old and tired 305 with tune Port injection. I retained all my 305 hardware and computer, but I did put in the 350 Prom for that year. The new engine is fitted with emission cams from crane. T...

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car Vehicle Data

1987 Pontiac Firebird

VIN [No VIN Available]
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / Tune Port Fuel Injection
EmissionsUS Fed Emission
SymptomsPoor Idle Quality, Hesitation
OccursHot, Idle
Message Closed w/FIX

car Vehicle Data

1987 Pontiac Firebird

VIN [No VIN Available]
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / Tune Port Fuel Injection
EmissionsUS Fed Emission
SymptomsPoor Idle Quality, Hesitation
OccursHot, Idle