Dedicated to the Promotion and Preservation of American Muscle Cars, Dealer built Supercars and COPO cars. |
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#1
09-14-2015, 05:57 PM
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Exhaust Manifolds
I am looking for info on the best flowing stock exhaust manifolds for a 350 small block. I am putting a ZZ4 350 in my 1978 9C1 Nova and want to stick with a stock style dual exhaust. Are any of the cast iron manifolds known for better flow. I have heard the ram horn style are the best but I cannot use these due to clearance issues.
Paul
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1971 W30 convert, triple green,second owner. 1971 W30 Convert, special order Rally red, completed 68 Camaro Z28,Corvette Bronze,Houndstooth 2016 Porsche Carerra Cab and 2021 C63S AMG ,modern fun. www.vancouverclassiccars.com 
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#2
09-14-2015, 09:04 PM
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Re: Exhaust Manifolds
----Do people Extrude-Hone anymore??? Even if you get the best ones that fit, you should consider it as the extra inside diameter does help the flow......Bill S
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#3
09-14-2015, 09:23 PM
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Re: Exhaust Manifolds
Your best bet might be the honed manifolds Honed Log Manifolds
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69 Z28 JL8, #'s match - being restored
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