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delta 272 canshaft

  1. stay d15b7 or d15 with z6 head

    Naturally Aspirated
    Ok so I've done a lot of research on staying N/A with my d15b7. So what I had planned was a 272 delta cam,head milled to 0.070,and I already have all the other bolt ons that everyone has. So then I heard that gas mileage will suffer because of the high compression and the cam so I didn't like...
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