Quote:
Originally Posted by B T
I figure the welding fixture and jigs must've been moved around a bit and warped during production. Even on the stock motor mounts, the header was hitting the underbody panel, coming too close to the passenger side sway bar bushing(melted it several times) and the bolt holes at the engine don't line up properly. I always end up having to push apart the header flanges to get it over the head studs. Luckily it hasn't ruined the head stud threads.
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Every header will touch the underbody on every car; the underbody panel must be hammered flat in a few places for clearance. This is by design to get the proper runner lengths and keep the bend radii as large as possible.