I would recommend the billet forward drum. I broke an A.C. heat treated drum a few years back but it did take a lot of abuse before it went. I have been using the billet drums ever since and have had no problems even with the dual feed and a trans brake. JMHO. 
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1987 GN, 1986 T, 1984 Hurst Oldsmobile with 1987 GN drivetrain
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