If it got that hot, the rings are shot.  Just pull them out and don't worry
about breakage.  A small screwdriver in the ring gap should do the trick.

Cheers,

Jeff

-----Original Message-----
From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of
HotelWestfalia
Sent: Thursday, May 26, 2011 7:04 PM
To: vanagon@GERRY.VANAGON.COM
Subject: Rings are stuck ...

Hi to all,
I have the four pistons out and would like to free the rings from all the
four of them out.  They are all cooked in solid from overheating.  I don't
know a sure way of getting them free again.  Would it be some kind of
boiling them in something for a few hours?
Anyone knows this?
Best wishes,
Zoltan