Stubborn tire bead

The TR8 race car I picked up over the weekend has 14 rims and tires with 35 year old Hoosier slicks on them.  Some of them are complete tires, some have been filleted and are just the bead with no tire.  The PO tried to cut away the tires but stopped before he started gouging aluminum.  6 Of them are on extremely light/flimsy 3 piece Keizer race wheels.  The shells are so light, there is no way they will not bend if I try to put the bead breaker on them.  Started working on one of the rims that just has the beads of rubber all the way around.  Side walls and tread are cut away and gone.  The tire beads are stuck on there so good that I can't even peel up the back section.  Its like they are siliconed on ort super glued.  Tried heat and that just made the tire softer, but had no effect on the adhesion between tire and wheel rim.  Next step is to try and get some acetone down between tire and rim and see if it wil work its way down in as I pry on the tire lip.  Anybody have any other suggestions.  I'm a little more confident that the machine can break the beads on the 8 one piece Panasports, but have not tried yet.  Any suggestions are welcome.  There has to be some magic chemical of technique.

Gasoline will work better than the acetone as it will not evaporate as fast. Trick learned from truck tire changer. I agree on the Keizer wheels being very easy to bend.

Just tried some hot lap tire treatment.  Between that and heat, I was able to break one of the hula hoop pieces of tire bead.  Have two others soaking.  Once it warms up, I'm going to try and remove some of the whole tires from the Panasports.  Considering making a box that I can heat up and putting entire tire and rim in there to try and soften them before going at them on the  machine.  Wonder if they will fit in the oven.

I would consider using a three inch cut off wheel to cut the wires in the bead.  If you come in sideways and use it more like a grinder than a cutoff, you should be able to stay well away from the wheel.

Side cutters a little at a time?

Yea, that's exactly where I'm at.  Cut away most of tire.  Back grind in the bead until I cut thru the thick metal cord.  Cut remaining rubber with a pair of dikes.  Little pieces of melted rubber everywhere.  Hands are black and they just laughed at the dish soap I tried to clean up with.  Times like this I wish I was a glove guy, but can't stand the things.  

I would also recommend cutting through the bead wire with a cutoff wheel. You'll have to make a very long diagonal cut (almost parallel with the bead) to avoid touching the wheel flange on the outside when you're finishing the cut. And yeah.. cutting through tires without wearing gloves (heck, i might even wear a dust mask) is gonna make a mess!

Done.  Grinder with a thin blade.  Cut a section out of tire about 5 or 6 inches wide from lip to lip.  That allowed me to get the grinder inside the tire and grind away rubber until I could see the steel cord.  Cut cord on a little of an angle and then finish up with a pair of dykes.  Left the two big rear slicks mounted because they held air and they look bad ass.