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  1. 1964-1974 Tempest/LeMans/GTO Engine Tuning
    I have started restoring my 1969 GTO convertible that i did a partial restoration back in the 80’s. I rebuilt the 400 with a balanced forged rotating assembly, .030 over flat top pistons with valve reliefs, a very mild cam upgrade, stock #62 heads and Qjet manifold. The short block has maybe...
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