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Old 09-19-2012, 07:39 AM
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dracothered dracothered is offline
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Join Date: Jul 2012
Location: Howell, MI.
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Default Re: Cold bending 1 piece cranks?

Originally Posted by wayne z View Post
I used an aceteleyne torch with a #2 tip. This puts out enough heat to quickly get it to a dull red for bending. A propane or mapp will take much longer and the BB will have time to absorb more heat, but might work if you remove the crank from the bike.
I think if you have a Mapp gas with Oxygen it will heat as fast as the acetylene.
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