exhaust bolts
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Freshman User
Joined: May 2006
Posts: 36
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exhaust bolts
i have a 1990 f250 351w and one of the collector bolts rusted out and theres only one holding the pipe on.i know that if i try taking it out its gonna break.the other is broken and still in the manifold.does anybody know the size of these bolts these are so rusted i have to drill and cut and wont be able to use a sample for a new bolt thanks
Senior User
Joined: Jun 2003
Posts: 292
Likes: 1
When I recently changed mine cause of corrosion and being loose and having leaks, I found mine were a 7/16-14 thread.
If you can drill them out and retap them, The Auto parts store should have repacements in the Help section.
This section covers a wide range of replacement parts.
If you can drill them out and retap them, The Auto parts store should have repacements in the Help section.
This section covers a wide range of replacement parts.
