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Old 09-23-2007, 11:38 PM   #6
BHRS
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Join Date: Sep 2007
Location: Wylie TEXAS
Posts: 81
Re: 1972 Sierra Grande Progress

I ordered a Summit Racing exhaust kit for mine. It replaced the manifolds with headers, turbo mufflers, and side exit ahead of the rear tires. Mine was 100% stock with duals out the back. The first thing I noticed with the headers over the manifolds was how much better the engine breathes now. Prior to the headers and exhaust, when I opened the secondaries in the carb it would just gasp for air. Now, it just picks up the nose and pulls hard. Put headers on it.
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1972 Cheyenne C10
Unrestored Original-3 Owner-RUST FREE Texas Truck
Big Block-TH400-PS-PB-AC-AM/FM Radio
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