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1994 Pontiac Firebird

...This indicates that neither the intake or exhaust valve is open, and when this sweet spot is found Junior replaces the stock rockers with the 1.6s.
1994 Pontiac Firebird - When LT1s Attack

 ...This indicates that neither the intake or exhaust valve is open, and when this sweet spot is found Junior replaces the stock rockers with the 1.6s.  View Related Article

 

 

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