1970 duster small bolt to big bolt spindle swap

RedFish said

There has been several threads about the safety of wheel adapters.
So... if I had to choose between what I see there and the wheel adapters, I go with the adapters.
Those bolt heads overlap the original stud heads so the bolts cant be properly tight or stay tight. A allen head bolt miight suit that application better.
I still prefer off the shelf parts though. When you need another rotor, hub, or axle you'll be "out of order" until the new part is also modified.
No one asked for my opinion so I probably should keep it to myself.
I see quite a few things in different threads that I dont consider safe or pratical. Most of the time I just say to myself, " Its not my car ".
Good luck and happy moparing to all.

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X2

I don't understand why you want to move away from the SBP disc setup.

Parts for the SBP setup are plentiful now and cheap, including rotors, calipers and the rest. The only item not being repopped is the rotor hat. You simply reuse the existing hat whenever you need to install new rotors.

Just a couple weeks ago, SBP rotors were listed on several websites for $18 each.

How can you beat that?

Calipers are $50 each, and these are the 4 piston Kelsey Hayes.

Rotors and calipers are being produced by Centric and a number of vendors carry these, or can order.

The part numbers can be found on the BRAKE forum on this site.

If you add up all the expense involved with moving from SBP disc to LBP disc, unless you get the LBP stuff for nothing, your out of pocket $$$ is substantial.
Make certain you include the cost of wheels in the conversion.