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Re: exhaust size ??
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Originally Posted by idaho66stepside
Hey gang I have a 66 C10 lwb stepside my Dad and I are doing an engine swap and new exhaust in about a week. I just don't know what size of exhaust I should run. The engine is a 350 with 600 cfm carb I can't think of all the head info other than 64cc chambers, 185 intake, a cam that isn't quite 0.5 lift(?) and 1.5 inch primaries on the headers. Is 3" pipes too big?? Thanks guys!
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I would go with the largest diameter you can comfortably fit and afford. For your engine and application, the diameter of the exhaust tubing you use will not make a significant difference above 2 inches, other than sound volume.
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1963 C-10: Deluxe-optioned cab, shortbed, fleetside
Pontiac 462 ci, Kauffman D-Port alum. heads
4L80E, narrowed sheetmetal Ford 9-inch
Tubular front and rear suspension
Custom 6-piston front disc and 4-piston rear disc brakes
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