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Old 09-15-2014, 11:48 AM   #5
Mike Pearson
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Default Re: Powerglide factory drum and high RPM

Larry,

I have a cast iron drum in my powerglide. No issues with rpm to 8800. I have also ran a Coan lightened steel drum in place of the aluminum, There was no ET difference between the Coan and the aluminum drums. Not sure on the stock drum
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