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  1. Should I do anything to my 781's

    2005
    I’m not sure what to do with my heads, if anything? I just bought a freshly rebuilt (never installed) 454 2 bolt long block with a cast crank, 9.5 c/r and stock 781’s. The engine will be used for bracket racing and I don’t plan on twisting it past 6K. I'm thinking the heads should have at...
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