i have a 1989 ford f-250 4x4 extended cab and its motor family is the windsor make. what in the hell would cause both right and left manifolds to completely crack all the way around. if i took them off i would have 4 pieces... never seen before in cast iron manifolds know anyone who has a set? thanks..
Too much heat on a bad design. GMC Topkicks from 1994 cracked their exhaust manifolds again and again and again. There was no recall, no revision or remedy- just keep buying manifolds. Maybe the best solution to your problem is a set of aftermarket headers. See if Ford has a Technical Service Bulletin on this. Fast forward from 1989 to 2008; the Big Three face bankruptcy.
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