12 bolt question

[mestorod70]

Originally Posted by Quadracer392

I do have rear disc on my 10 bolt, so the theory is the the caliper will hold the axles in along with the c-clips in place? As far as a posi unit is the Eaton/Detroit truetrac a good one? What gears would you suggest with mild street motor 400-425hp and a 700R4 trans. I was thinking 3.56 or 3.73?

I would not use the truetrac...its mostly for trucks as far as i can tell.
Go with the posi. and 373 or 411 will be nice with the overdrive trans.
Correct on the caliper.