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08-10-2017, 09:15 AM
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#27 |
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Junior Member
Join Date: Aug 2008
Location: Columbus, IN
Posts: 7
Likes: 0
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Re: 1971 Buick 455 GS F/SA G/SA Build
Have you tried any header tuning while on the dyno? These engines really benefit from the exhaust scavenging. That is why the original Stage 2 heads were so effective.
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