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Porting potential of GT40 Vs early 351W heads
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11-02-2007, 07:56 AM
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ou812
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Nov 2004
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Re: Porting potential of GT40 Vs early 351W heads
The GT 40's will make more power. How much depends on your build but typiacally it's around 20-30 more HP.
It's not hard to improve upon the stock sb stuff...
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