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[Healeys] Blown exhaust gaskets redux

To: healeylist <healeys@autox.team.net>
Subject: [Healeys] Blown exhaust gaskets redux
From: Bob Spidell <bspidell@comcast.net>
Date: Sun, 18 Apr 2010 17:58:51 -0700
I think I've finally isolated the original cause of a series of blown 
exhaust flange gaskets: two of the three studs on one manifold were weak 
and would not hold tension.  I finally ended up stripping them while 
trying to apply a reasonable torqe (20 ft-lbs).  Anyway, I managed to 
extract the studs and tried installing 3 new ones I happened to have and 
all of them stripped!  I didn't like the looks of them before I put them 
in--they looked to be of a very light and soft steel (and they were a 
good 1/8" longer--makes getting the downpipes off and on even more 
difficult).  They were from Moss.

Anyone have a good source for solid, heavy steel studs?  I see Moss has 
a stainless kit--anyone tried those?  I don't believe that stainless is 
necessarily stronger--in fact, it may be more brittle--but maybe they're 
better made.  'Standard' studs--the kind you can get at the hardware 
store--are coarse thread on one end and fine on the other.  I need fine 
on both ends.

Thanks for listening.

Bob

-- 
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Bob Spidell           San Jose, CA            bspidell@comcast.net

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