Im running stock 70 camaro LT1 heads 64cc with 2.02/1.60 valves and mild porting. Flat top 4 valve relief pistons. Probably 10.5-11.0 compression. My cam is a comp cams XE274H. Im also running a performer RPM air gap intake.
Thanks
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1969 camaro pace car Z11
1969 Camaro X44 Pro Touring 383 6spd
1967 Chevelle Resto Mod LS2
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