RE: Exhaust flange nuts and bolts, what size?

[Lee Sumpter <leesumpter@xxxxxxxxx>]

Oh, Thanks for that input, I was not aware there would be a problem. I 
may just go back with steel bolts and brass nuts.

Lee Sumpter

Dan McCormack wrote:
> 
> Lee, Everybody I know who's used stainless steel fasteners on exhaust 
> manifolds or headers has had problems with them coming loose. They've 
> all 
> gone back to using hardened steel nuts, bolts and studs.
> 
> Dan
> 
> 
> ----- Original Message ----- 
> From: "Lee Sumpter" <leesumpter@xxxxxxxxx>
> To: <1962to1965mopars@xxxxxxxxxx>
> Sent: Thursday, May 22, 2008 3:58 PM
> Subject: Exhaust flange nuts and bolts, what size?
> 
> 
> >I changed the exhaust manifolds on my 64 Fury to the HP manifolds from
> > a 69-70 B Body. The flange on these manifolds is 3/4" thick. What is
> > the standard thickness of an exhaust pipe flange? I dont have anything
> > to go by, and want to purchase stanless steel fasteners for when I
> > take the car to a muffler shop to have the pipes fabricated. I am
> > thinking the threads should be 7/16" fine thread, but need to figure
> > out the lengths.
> > Thanks,
> > -- 
> > Lee Sumpter 
> 


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