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ported gt40p

  1. Started Porting GT40P Head

    5.0L Tech
    Im Doing this Porting myself and its my first time so im doing this VERY VERY carefully and need some guidance. I got most of my information of the DIYporting page and i know a guy can actually screw up the flow of the gt40p head if not ported exactly the same with each port, also by hogging...
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