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soch dohc

  1. Modular V8 and V10 Conversions and Swaps
    i just recently purchased a 03 gt sohc 2v mostly stock with a few bolt ons, exhaust and intake, however i want more pep and i was thinking about going to either a 3 or 4 valve. what kinds of gains would i see and what would cost be?? would it be worth it? and what all goes into a swap??? i have...
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