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With that compression I bet you hit that power goal with 14-15psi. I would probably start with the 90mm upper. That point and half compression makes up for 2-3 psi compared to a stock compression LT4.
Far as cooling, the Magnuson stuff is plenty sufficient combined with the expansion tank.
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2016 NFG SS A8/Whipple 2.9/Fuel System/Flex Fuel |