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Thread: 302 heads with 671

  1. #1

    302 heads with 671

    What would the best heads be to run on a 302 with a stage 2 bds 671? I am running the stock heads from a 1970 302 with a bds blower cam and stag 2 blower 18% UD now but I think the head gasket in going, i am getting alot of pressure build up in the radiator.What is a good mid-grade head? Can I run a set of gt40 heads? What cc, springs, and valves? Are blown head gaskets a common problem for blower motors?

  2. #2
    Senior Member RACING JUNKIE
    Join Date
    Jan 2012
    Not much of a Ford man, but the whole thing depends upon how much boost you plan to run and how tight you intend to wind it. Early Windsors are famous for making "Windows" because of the frail rod bolts . . basically, with a blower, you have more on top now, than the bottom is likely to take . . .

    On the radiator pressure, I advised you on this on the other thread.

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