Re: 77 c10 5.3ls turbo
I welded the hotside pipe myself. Hotside pipe dia. Is 3", which is too big but it looks nice. Would use 2" or 2.5" if i did it again. Apparently the smaller the pipe the quicker the turbo spools up. The exhaust manifold had a 3" exit so I continued on with 3". Will be wrapping the pipe in heat tape. The top one pipe is for the wastegate.
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1977 Chevy C10 SB, Turbo 5.3ls, TH400
Last edited by jrpontiac; 10-13-2018 at 01:42 PM.
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