Cracked 454 exhaust manifolds
I have a 98 P32 with 72000 miles and do all my own maintenance. While servicing the brakes on drivers front wheel I could clearly see the manifold was cracked but does not appear to be leaking. I unde...
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Where is it cracked, vertical crack in between the exhaust ports? If so don't worry about it. The replacement manifolds now have gap or cut in between the exhaust ports to allow for expansion. I have a 94 and mine cracked there, I had to replace it because the rear stud was already busted and the studs for exhaust pipe flange wouldn't come out. For $50 I wasn't going to try and remove those 3 studs. Anyway the replacement had a gap right where mine was cracked.
