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Intake Manifold Heat Shields - Gimmick or Not?

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Grant 302

basic and well known psychic

Grant 302

basic and well known psychic
Well, the quoted 12 HP gains might be a gimmick. The PCM isn't going to 'add' timing without seeing lower IATs, though it might help reduce the onset of knock when using questionable fuel.
 
215
210
Exp. Type
HPDE
Exp. Level
Under 3 Years
SoCal
Thanks Grant. I was debating whether or not to do this since I have the manifold sitting on the bench right now. It sounds like it may not be worth the effort.
 

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