.Wondering if I should be doing 1.25 or 1.5 ID sch 10 pipe for a medium HP I-5 Build .

Afterthought wrote:Nice you are doing a custom one for a 10V ?
Bad ass
audifreakjim wrote:There was a comparison done at some point. The conclusion was, 1.25" is more than enough. Hank uses 1.25" on all of his headers, that's what I have on mine too. His 1.25" is almost 900 wheel and just trapped 154 in the 1/4. So that should work for ya
dougkehl wrote:Fushion360 is a great program. I actually have the base flange for the flange for the intake drawn out on 360.
Anyway, 1.25" pipe as others have said ought to be enough. Especially considering 1.25" schedule 10 pipe has an ID of like 1.44" which is not limiting at all!
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