There's really nothing wrong with using the drum brakes, if they're rebuilt properly. You're going to run into some real headaches trying to swap for a 1/2 ton front end, and I don't know of any way to adapt the 8-lug hubs once you do that. Where are you located? I'm about to part out a '59 3800, and the front axle and brakes are in pretty good shape. Email me!
Jerry


"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
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