I agree an oxy acetylene torch is a great way to get nuts off.....
But the candle wax method is suprisingly effective! Try it first..... why
not? Just heat it up a bit with a map gas or similar torch, pull away the
torch and touch a candle to it. As the wax permiates, do it again. Heat
cycle it a few times with additional wax, be prepared to deal with the
flames of burning wax..... and i bet you'll be able to just put a wrench on
there and crank it right off.

Then go to the oxy torch.

-Craig
'85GL turned WESTY
BOSTIG in the back.

On Mon, Feb 8, 2010 at 10:10 PM, Dennis Haynes <d23haynes57@hotmail.com>wrote:

> If the nuts are good enough a get a wrench to grab the hard part is over.
> The trick is to use an oxy-acetylene torch, small carburizing (low oxygen)
> flame and you want to quickly get the nut cherry red without getting the
> stud to match. The nut will then come off. The challenge will be to do this
> without setting the rust bust crap on fire.
>
> Dennis
>
>
> -----Original Message-----
> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of
> David Marshall
> Sent: Monday, February 08, 2010 6:46 PM
> To: vanagon@GERRY.VANAGON.COM
> Subject: Best method for remove seized exhaust nuts?
>
> I am trying to replace the turbo on my Syncro TriStar.  It it held on
> to the manifold with three 13mm nuts, these nuts go on to studs which go
> into the manifold.  I really don't want to break the studs.  I
> can put enough pressure on the socket where I know if I go much further
> the stud will break.
>
> Three days of penetrating oil
> "3-IN-ONE 'High Performance Penetrant'" and no with luck other
> than my garage stinks.
>
> I've tried the tighten a bit and
> then loosen which seems to work with allen bolts and light tapping with
> the impact gun... they're still in place.
>
> What should I do
> next?
>
> David Marshall
> VW Adventure Driver and BMW
> Adventure Rider
>
> HasenWerk
> http://www.hasenwerk.ca
>