Cam Choice/ Pontiac Gregg
Trash gear set, they keep the motor from getting to optimum r.p.m. range for best gas
mileage.
Run 3:55's GUARANTEED better milage than 2:73's !!
Cam Ultra-Dyne 280/284 hr12+6 226/230@ .050 .530" lift
I put this cam in a Grand Ville with a 462 I built. 18 m.p.g. @ 70 m.p.h.
Ram air exh. manifolds.
If you want the cam and lifters etc. call 1-303-776-0877
Pontiac Gregg
Visa/ M/C
800+ Pontiac Motors built !!
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Greg Merrick
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