YOUR RESEARCHEasiest way to get studs out of catalytic converters...
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Since I managed to snap nearly all of the studs when removing my cats, I need to remove the studs from the mating surface on the catalytic converters (three studs for each cat). What's going to be the simplest way to get rid of these? Blowtorch + hammer, or drilling them out? I'm assuming the latter, but if anyone has any secret tips, I'd like to hear 'em.
Can you douse them in PB Blaster and punch them out? Blast them a few times over a couple of hours and try again. Sorry 5CHN3LL I only realized it was you asking. You will have already thought of my suggestion. Hope you are successful in what ever you come up with.
I've had good luck with Loctite Freeze & Release, followed by a good hammer rap!
I used something like this http://www.ebay.com/itm/like/111447768000?lpid=82 to get my oil pan screw out when it broke. (Although this probably only will work if the cats are removed from the car). I also like the freeze/pb blaster type oils -- helped me remove a very stubborn O2 sensor.
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