306 vs 331 help me decide

Discussion in 'General Maverick/Comet' started by jb70grabber, Aug 21, 2009.

  1. bradleygt

    bradleygt Member

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    i say do the 331 you will run out of cam with those heads on a 302
    but a 331 will work out better lower rpm for your cam just my opinion

    brad:)
     

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