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08-15-2010, 07:16 PM
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#2 |
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Registered User
Join Date: Jul 2010
Location: MD
Posts: 1,937
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Re: diffrent heads?
Possible the one had larger intakes installed. Hopefully the throat below the valve was opened up. Otherwise there would be little benefit to the larger valves.
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1969 c-10 Step Side Long Bed. I-6 250cid =  = 1969 Pontiac GTO hard top. 400, 4-speed.
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