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  1. #1
    Chris87535is
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    Compression ratio @180 psi.

    I had to pull the head off of my car due to a blown head gasket. I discovered a set of domed pistons. If it showed 180psi on a compression test, (the head has not been milled at all) dose anyone know the likeley compression ratio for these pistos.


  2. #2
    Frederick in Tampa
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    Search out Mahle's website for ...

    what applications it makes for the M30. I doubt anyone in their right minds uses Wiseco pistons anymore, given the recent unpleasentness. You are one lucky SOB to have bought a car with an upgraded block, they usually are never touched in a rebuild, due to their rock-solid nature.

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