Thanks for the input Dennis. My experience with nut removal from studs matches what you say. 
Everything on mine was pretty well rusted over, but the nuts came off quite easily. All the studs came out cleanly also, with only one requiring heat.

-Jarrett
On Feb 5, 2012, at 9:02 AM, Dennis Haynes wrote:

>  Also when it comes time for
> removal it is always easier to remove a nut from a stud even when heat is
> needed as the nut will expand and loosen real fast once the torch is there.