Dana 60 Rear Drum Brake Upgrade

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Dana 60 Rear Brake Upgrade from 12" to 13" Drums

Interested in drum brake upgrade, possibly to 13" drums, '71 3/4 ton 4x4 Dana 60 axle, it has stock 12x2.5 brake shoes?

A few questions, on possibility of upgrading a SRW Dana 60 with 12x2.5 brake shoes to 13 inch drums. Thinking of two/three possibilities while keeping stock axles:

1). We're their SRW Dana 60 applications that used 13" drums which can be switched to '71;

2). Can Dana 70 13" rear brakes be switch, everything from backing plate out. Maybe 80s Suburbans?

3). Other option, e.g. 70s Fords 3/4 ton Dana 60s that used 12x3 brake shoes, chevy dually brakes, switch everything from backing plat out.

Will do more research on Dana 70s in 80s Subs.

Les



Thanks,
Les