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There isn't any need to build the engine for 600-650whp. I have been running 9-11 psi since 2019 on my stock internal LT1 and it's been fine. Keep it under 600whp on 93, or under 750whp on E50+. Also you want a catch can and proper crank case ventilation.
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2016 NFG SS A8/Whipple 2.9/Fuel System/Flex Fuel |