I race a pure Stock zl1 camaro, the exhaust manifolds are the limiting factor in the Cam. Run a 114 straight up, you need to kill low end to get it to leave without blowing the tires off.
Look no further than the L88 Cam. The ZL1 has to much duration for the manifolds.
Btw, I went 6/10ths faster by going to an automatic
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1969 ZL1 COPO Camaro 11.60@120 F.A.S.T 21
1971 LS6 vette 12.20 @118 PSMCDR
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