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...