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I've got a 1986 f350 460 auto 4x4 crew cad dully and cannot seem to find headers to fit around frame or front 4x4 drive shaft. Anyone have this truck and put headers on due to manifold cracks and breaks ??
I had problems with our F-250 and a 351W. In the end I had brand new car/truck manifolds tossed on and extrude honed and my pipe still rubbed on the driveshaft until I beat it out of the way.
I refused to use over the frame/fender wall exit ones because with 33's they will rub before the tires hit the leaf springs (the don't yet).
I also wonder if there is ones that just bolt right in that I don't have to bend to make it. It's hard enough to run true duals with a 19 gallon frame rail mounted gas tank so I have to run the side by side on the passenger side.