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Thread: Which Head?
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Old 04-26-2007, 09:45 PM   #4 (permalink)
Gsolo
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I may be wrong but i believe the silvertop head is better flow because the valves aren't shrouded. IIRC the blacktop head valves are slightly shrouded in the attempt to boost comp. can't find any pics of the combustion chambers...so i'm probably wrong

And heres a pic of head flow between small port 16v and silver 20v.....pic is from billzilla.org hope no one thinks i'm stealing it
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