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Re: BBC guys: What exhaust do you have?
I dont think open exhaust hurts chevy v8's. They do like to breathe. The other brand x junk, seems to need back preasure, but not chevy. Even stock at the drag strip with headers, they run well.
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1971 cheyenne k10 4 speed np 205 454 BB factory a/c 
Never drink down stream of the herd!
Eric
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