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Re: Sullii the 72 GMC 1500
Quote:
Originally Posted by bigmoe
One thing I've discovered (and and maybe others can chime in) is the exact same exhaust system on a small block chevy sounds different the newer LS engine.
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It's the firing order. Your truck is coming along nicely.
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NHRA Super Street 469C
It only runs 10.90 at 156 mph
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