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Discussion Starter · #1 ·
I am building a 347 ci for my 1992 LX 5.0. I have a set of Ford racing GT-40 x302 heads for it. I was planning on installing a 1993 Cobra intake manifold arrangement in place of aftermarket. Can these heads and intake be ported in order to flow better? I originally was trying to achieve about 400-450 HP normally aspirated. I am concerned that the restrction may lie in the intake and heads. Please advise.

Duane
 

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you can always port the intake to flow more air but it may be easyer to get an after market to to get more hp
 
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