No luck, Randall. Got the junction as hot as I dared, applied the wet towel
wrap, soaked in PB Blaster, repeated several times that day and days
following. So have given up, cleaned up the header as best I could in situ,
and will paint.
Thanks again for the input.
John Howard
On Thu, Feb 28, 2008 at 7:31 PM, Lee&John Howard <leejohn7@gmail.com> wrote:
> Thanks. I'll give a try and report back.
> John
>
>
> On Thu, Feb 28, 2008 at 3:24 PM, Randall <tr3driver@ca.rr.com> wrote:
>
> > > I'd like to get the header out for a ceramic coating, but, of
> > > course, can't
> > > budge it from its junction with the tail pipe. Many applications of
> > > rust-bust stuff hasn't helped. Is there a way to get them
> > > apart without cutting?
> >
> > Not always.
> >
> > > Do I apply a propane torch?
> >
> > Should help, but don't forget that most "rust bust stuff" is flammable.
> > Get
> > it good and hot, then try twisting the pipes. Wrapping a wet towel
> > around
> > the part that goes inside (to create a temporary thermal gradient) may
> > help
> > too. Once they start to move a little, dose with PB Blaster then keep
> > twisting back and forth.
> >
> > Randall
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