Thread: Attn: Pat McCarthy... i need advice

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well hard to say how much hp should be hi 500+hp if every thing is on the money cam is going to need some CR. i did not look up or work out the CR for you so that will bear on the power out put with that cam .. heads should be fine for the job . i would say at better then 10.5. to make this work you need a bit of stall over 2800 . i think you will fined that the 750 carb may run out of steam more cfm maybe needed but try it for the strip keep the 488 gear. make sure you run good valves and good valve spings for a roller cam. mock up one piston in the block and check that the piston dome will not hit any were on the head chamber and check piston to valve as well