RE: [DML] Exhaust manifolds removal?

["Mike Griese" <mike.griese@xxxx>]

Stian

There really isn't a fix for this problem. About the best you can do
is to periodically soak the studs with a penetrating oil like Kroil,
WD-40, or Liquid Wrench. Really douse them down and tap them with
a wrench or screwdriver. This will help loosen up the rust between
the nuts and the studs. The vibrations from the tapping will help
the oil penetrate better. Don't start this until a few weeks before
you are ready to remove the manifolds. Otherwise, you run the risk
of loosening the stud and having it work it's way out of the block.

If you happen to break a stud and there is something left to grip,
I have had success heating the area around the stud with a small
propane torch for about a minute or so. This gets the block to
expand a little. Once heated, spray the stud with some WD-40.
This cools the stud a little in relation to the block. Then
grab the stud with a pair of vicegrips and turn it out.

When you put it all back together, I would recommend using stainless
studs, copperized split-ring nuts and Cop-a-Slip antisieze compound.
Even if you never take the manifolds off again while you own the
car, the next owner will really appreciate that you did.

Mike

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