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  1. K20 Warped Head

    Engine Building
    So i'm about to pick up a cheap k20a2 head from a friend of mine who works at Acura but there is one problem, the head is warped and is out 6 thousands or 0.006. Acura won't machine a head via the Service Manual, but I know its been done before. What is the maximum tolerance that I would be...
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