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Old 02-16-2015, 02:12 AM   #10
Al Loyrat
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Join Date: Feb 2010
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Default Re: ZL1 factored HP and valve springs

I got the CCs at 117 (min.114.5). I want to leave some meat on the heads in case a head gasket pops someday. Seat is 153, open is 410 on the springs. 580/620 lift. Nice to be able to use head studs! . This engine is complete and in the car. Got an iron short block for back up. I remember Kevin with the orange 69, met him in the pits at Norwalk years ago, nice guy. Jimmy still running the 66 Vette?
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