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| | | Forums66 Topics128,094 Posts1,056,064 Members48,433 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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| | | | Joined: Jun 2004 Posts: 66 Wrench Fetcher | | Wrench Fetcher Joined: Jun 2004 Posts: 66 | I wanted to know what the performance difference would be if I installed split exhaust manifolds on my 1954 chevrolet 1-1/2 ton with a stock 1962 1/2 ton 235 sm 420 transmission w/a 2-speed rear. I like the sound of the split six and plan to route the exhaust through 4-inch stacks. the truck will be loaded with construction tools and may pull a trailer with a skid steer loader,etc. I heard that the split manifold may affect my bottom end torque but will increase my top end power. I plan to upgrade to a 261 later on | | | | | Joined: Jun 2005 Posts: 388 Shop Shark | | Shop Shark Joined: Jun 2005 Posts: 388 | Stoveboltkid, Checkout this Link from the Inliners' site. The Corvette six dual exhaust manifold increased the power by 3 to 10% from 2000 to 4500 rpm. I've been told that the Fenton headers should do better. Hoyt | | | | | Joined: Mar 2005 Posts: 684 Shop Shark | | Shop Shark Joined: Mar 2005 Posts: 684 | I doubt that you will find a noticble increase in power. But, the sound of those pipes will make you think your going faster. | | |
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