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Re: Manifolds VS Headers round two thousand
Quote:
Originally Posted by motornut
Yes,I've also heard it was left there "disturbing" the exhaust flow,making it quieter.
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That maybe a small side benefit. But knowing GM that single casting could make multiple different service parts, so it was more an economic thing with them.
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1977 Chevrolet C/10 Silverado. Step-Side, Factory 454, TH400, 3.73 Posi 12 Bolt.
1975 Chevrolet El Camino. 350, TH400, 3.08 Posi 10 Bolt.
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