1977 Chevy Camaro Backfiring

1977 CHEVROLET CAMARO
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CHEVY GIRL 77
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Engine Performance problem
1977 Chevy Camaro V8 Two Wheel Drive Manual

Newly rebuilt Chevy 400 engine in this camaro is back firing every time it goes to the #7 cylinder. Waht could this be?

Thanks!
May God bless your day<><
Nov 14, 2008 at 12:09 PM
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MASTERTECHTIM
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first thing i would check is the adjustment of the intake rocker arm. if the rocker is too tight then the valve will not close fully causing it to backfire through the intake.
Nov 14, 2008 at 3:19 PM