Thread: ? about rear end

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I have found 2 rear ends for a vega that I am building.

One is a Moser 12 bolt allready sized for a 72 vega and set up for ladder bars. It has 5/8 studs, 30 spline strange axles, 30 spline spool,and the big yoke.The guy also has new bearings and Backing plates w/ brakes but no drums¦ 900 obo also needs new gears. Not very excited of the drum brakes, how much would swithcing to disc change overall measurements?

The other is a ford 9" with strange 35 spline axles, strange 35 spline full spool, A comp. eng. back brace that needs to be welded on, strange aluminum center and pinion suport. The axles have a 5x5 bolt patern with long studs. The rear was narowed 3 inches to fit under a truck. He mounted the rear end but never finnished the truck so it just sat there. It has the disk brake brackets on it and will accept ford continental rotors and calipers. This one is 1000 dollars. plus shipping and would have to be narrowed.

I hear 9" are great because of their ease of gear changes. Chevy 12 bolt are more difficult for gear changes but operate with less friction. Which of these would be a better deal? The vega will make 600 horse on the bottle in the 1/8 mile.

Thanks for any help.