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Model 20 feels

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AMC Apprentice
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Joined: Feb/22/2019
Location: NW Florida
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Points: 52
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    Posted: Jul/12/2019 at 11:46am
Ive got this problem, see?  I test drove my '72 before buying it and it ran as fine as can be expected for something that had been laid up for three years in a garage.  No noise, wobble, rumble or vibrations in forward or reverse.  Took it home, tore the wiring out of it, rebuilt the carb, got it purring like a kitten and when it was time for a test drive it wouldn't move.  It will shift (727TF) into reverse and the car will lurch when I give it some throttle - got the left rear wheel to spin, and it is a twin grip, but it would stall.  I thought maybe E-brake was hung up. On a jack with both wheels free it goes into reverse and drive and the wheels turn accordingly with no brake noise.  Same thing by hand. BUT and this is why I'm in this part of the garage, is that when I turn the rear wheels by hand, there is a thumping feeling transmitted thru the axle shaft.  Is that just the ring and pinion?  its not a grinding or anything, just this bump bump bump in my hand.  The axle feels solid in the outer bearing, it doesnt wallow around, (I've only check the pass. side before the rain drove me indoors, and the drive shaft u-joints look and feel tight as well.

The brake on that side looked good and operated as it should.  still have to check the driver side rear and the fronts to see if they are locked up, but it will roll forward but Im out of room in that direction.  Am I supposed to feel the gear set rolling over like that?

Thx
72 Javelin SST 360/auto
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