i use this stuff called "FREEZE" (i think) with a torch and it works great for frozen bolts were the head would normally break off... :TU:A quality penetrating fluid is a must have for those stubborn bolts. Ive tried it all, WD-40, Liquid Wrench, PB blaster, ReleaseAll to name a few. Release All is pretty good, but rather expensive.
My home [garage] made stuff works better than anything else I've tried off the shelf. 1 part atf [cheap no name +3] : 1 part acetone in a dollar store spray bottle. I only mix what I need for the job as the acetone evaporates quickly, however that is what makes it so effective. It pulls the atf into the threads. A few squirts of this concoction and a brass punch to loosen up the corrosion has worked every time for me.
so, you never used it but your saying its a gimmick..?I tried something similar at work (Chromate product, I think) that I didn't think very highly of. I wound up getting out the regular penetrant, and that finally got it loosened up. Personally, I think it's more of a gimmick.
+1 On the hydraulic crimpers. Also, a good pair of electrical cable shears are a must for clean cuts.