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Thread: OMC 56 ci pistons

  1. #1
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    Default OMC 56 ci pistons

    Anyone have experience of aftermarket pistons in the 56?
    just trying to fill the gap from std to 030 to get more life from the block
    thanks

  2. #2
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    You betcha. I've used Wiseco +.040" forged pistons in the 49.9 and 56.1 with good results. One more run before sleeving............

    Tim

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    Anyone used the PRO HP ones from Promarine?

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