Bad Backfire
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Joined: Sep 2011
Posts: 152
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From: Florida
Car: 1991 Pontiac Firebird Trans Am
Engine: 1987 Chevy 355 TPI Mild Cam
Transmission: 5-Speed T-5 WC
Axle/Gears: 3.42
Bad Backfire
Hi,
Just bought this 1991 Pontiac Firebird GTA and it has a the catalytic converters removed. Not sure if the exhaust is stock or not but the car is real loud! Anyways, when I am going and let off the gas the car gets some real bad backfire. Not just a little but a lot. Back fires about 8 or so times and its real loud. I believe the car runs rich but not sure, also not sure how to find out whats wrong and such. Any thoughts?
Thanks
Just bought this 1991 Pontiac Firebird GTA and it has a the catalytic converters removed. Not sure if the exhaust is stock or not but the car is real loud! Anyways, when I am going and let off the gas the car gets some real bad backfire. Not just a little but a lot. Back fires about 8 or so times and its real loud. I believe the car runs rich but not sure, also not sure how to find out whats wrong and such. Any thoughts?
Thanks
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tyeo098
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Nov 30, 2015 06:27 PM





