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Mike Pearson · 09-15-2014, 11:48 AM

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

09-15-2014, 11:48 AM	#1
Mike Pearson VIP Member Join Date: Mar 2007 Posts: 2,457 Likes: 620 Liked 1,945 Times in 586 Posts	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 __________________ Mike Pearson 2485 SS