I run a BOP on a 535 with a cam similar to Jack's above and a set of first generation Tiger heads that flow just over 400CFM. The engine is used with nitrous only with a compress of 12.5 to 1, softened chambers, piston down in the hole etc. I shoot to have the shift occur right around 7500 to 7600 RPM.
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Jim
71 Firebird, best 1/8th mile time of 5.02 at 142 at altitude in Vegas
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