Want to remove a 8 3/4 rear end and install a 8 1/4 rear end in a '68 Dart so I can run big bolt pattern wheels.

-Will the old drive shaft fit? Or will I need longer or shorter?
-Will the good brake assemblies (backing plates and all) swap to the 8 1/4?
-What else might I need to know?

Thanks,

Bobby

Why not just swap in a set of BBP axle shafts from Moser or Strange and keep the 'better' 8 3/4"?


-D.Idiot

You'll need a longer shaft. I'm pretty sure that brakes will swap over but can't be positive.

I'm with DI on this one, for $200-300 you can get moser axles in any bolt pattern you want. Check out www.moserengineering.com

Or better yet they can redrill your current axle for $50-70 if there is enough room. They can redo drums as well.

you would need a longer shaft by 0.65".

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.065" is only about 5/8", if you have a slip yoke, I wouldn't think that small amount would hurt a thing, certainly not worth a trip to the driveshaft shop for.