koolademan22
OBS Enthusiast
if i rebuild my 5.7l to a 383 port heads run 1.6 rockers and a mild rv cam plus headers what else could i do to get more power and better mpgs
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A 383 won't get good mpg regardless of what you do. More dispacement means more air in, which needs more fuel. No way around that...for performance you'll have to give us more details on the motor you have and the heads you have, cam you want, intake, etc... for us to help you out more