305 tpi to 350 tpi ?
03-30-2011, 02:15 PM
#1
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Location: Fresno Ca
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Car: 1992 convertible camaro 1992 z28
Engine: 305 tbi 5.0 tpi
Transmission: 700r4 700r4
Axle/Gears: 2:73 2:73
305 tpi to 350 tpi ?
okay i bought a 1988 iroc with a swapped 350 if they didnt swap out the prom would that keep me from passing ca smog. right now its running really rich i just changed the egr valve about 4 days ago. the car runs really strong no vacuum leaks but running rich wanna know if its because im using a 305 prom
03-30-2011, 04:34 PM
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Car: 1992 RS
Engine: Carbed 350
Transmission: 700R4
Axle/Gears: 3.42 posi
Re: 305 tpi to 350 tpi ?
I'm no expert, but I'd think it's a high probability. You also need a 350 knock sensor with that 350 prom - different knocks between 305 and 350.
06-25-2011, 08:04 AM
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Car: 87 Iroc Z28
Engine: 350 tpi
Transmission: 700r4
Axle/Gears: 3.42
Re: 305 tpi to 350 tpi ?
I see I am a little late, but maybe i can help a little... I also live in cali. I had no problems somgging my car ('87 iroc tpi)... Its a 305 to 350 swap with a LT1 cam... still using the stock 19# injectors and stock 305 prom... i did swap to a 350 knock sensor, but am still running the 305's ESC... hope this helps...
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