Intake Manifold
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Joined: Feb 2010
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Intake Manifold
What would the gain or loss be going to a Trick Flow Box-R or R Series intake manifold over a stock manifold if the final goal is ~400 HP in the future for a stroked 351? This would be going a F-150 4X4 that would never tow more than a light load every once in a while. It would also have 31" tires with the factory 3.55 gears and an E40D trans. The motor is stock now but I don't want to have to buy more than one manifold to reach my goals.
FTE Legend
Joined: Jun 2006
Posts: 31,930
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From: Ottawa, Ontario
You'll never get anywhere close to 400hp with the stock 5.8 intake so the Trickflow is the answer. I'd select the R series over the Box as well, you do want a somewhat normal powerband after all, the Box is really only usefull for a screamer or forced induction.
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Ciph3r
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