Twin Turbo Gen 3 lq4 6.0
#1
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Im sure this has been done a lot but here goes, i have a 6.0 LQ4 with 317 aluminum heads and a 4l80 going in a 1955 pontiac supposed to have 102k on the motor, it came from a chevy express van, i want to do twin turbos and I'm shooting for 650-700 rwhp, suggestions on size of turbos and what engine mods also running 31" tires with a ford 9" what gear ratios work well and what convertor, the car will be a street car