Try heating the pedal spindle not the crank. Keep the crank cool. A propane torch is more than enough. The expansion difference will break the rust bonds. Then soak it in liquid wrench for several days.
Tom Stanford, a junk yard hot rodder in my youth
-----Original Message----- From: Monkeyman <monkey37@bluemarble.net> To: classicrendezvous@bikelist.org <classicrendezvous@bikelist.org>; KCTOMMY@email.msn.com <KCTOMMY@email.msn.com> Date: Friday, January 05, 2001 12:30 PM Subject: [CR]Frozen pedals
>>What would be the best way to entice frozen pedals from the crank arm,
>>hopefully saving both parts, but at all costs preserving the cranks?
>
>The way I was taught by a guy who had been wrenching on bikes for 50+ years
>was: remove the pedal body from the spindle. Now soak the spindle and
>crankarm hole in antifreeze, Liquid wrench, or some such thing. Start with
>it overnight and try to remove the pedal the next day, if it doesn't come
>loose give it a couple more days. If at this point it still doesn't come
>loose, repeat the process but use a penitrating lubricant or oil. I've
>never seen this fail. The only problem is it sometimes discolors the
>aluminum of the crankarm.
>
>Some people may say heating the crankarm will work. It works great but
>weakens the crankarm quite a bit and I've seen a few cranks break because
>of this.
>
>enjoy,
>Brandon"monkeyman"Ives
>
>PS: when tring to remove the stuck pedal clamp the crankarm in a soft-jawed
>vise and it will make your process much easier.
>
>
>Brandon and Mitzi's-- "Wurld uv Wunder"
>http://darkwing.uoregon.edu/~capybara/
>
>Monkeyman's on going bicycle part garage sale
>http://www.uweb.ucsb.edu/~mkirklan/salepage/garage.html
>
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