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Thread: 94 spx jetting

  1. #1

    94 spx jetting

    I have a 94 spx I'm doing a open water box and dry pipe and k&n filters.how much jetting will I need to do would going up like two sizes be enough or more ? Any input would be nice thanks in advance Tommy also will an extremly light pto coupler help a lot


  2. #2
    Try two sizes on the main and just perform a plug chop. Also checking and adjusting the LS will be needed most likely.

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