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Old 09-05-2012, 12:42 AM   #1
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D44-amc 20???

im looking at picking up some waggy axles and the guy says front 44 and amc 20 rear, what is the 20 and how does it compare/ is it worth putting under my yj. wanting to run 4:88 gears and ausi lockers
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Old 09-05-2012, 11:21 AM   #2
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I suggest you contact one of the many rear axle specialty shops and talk it over with them. Give em a call and tell em what your doing....
Like Randy's Ring and Pinion, West Coast Differentials, there may be others listed in the Venders column .
Get the straight info, don't relay on some hearsay BS....It's your money !
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Old 09-06-2012, 09:13 AM   #3
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AMC 20 is a down grade to what you have now, don't do it. if your going to axle swap and take the time to set up your springs, build stronger not weaker. Find a 9" off of an EB or a 8.8" off of a explorer.
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Old 09-06-2012, 05:21 PM   #4
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The AMC 20 ring gear is actually just slightly larger than a D44. It was the axle for all of AMC's stuff for many years and handled up to the venerated 401 c.i. engine. The weak point of the 20 is the two piece axles. They commonly strip out and will leave you stranded. As with just about any Jeep part, there are upgrades available. Several manufacturers make one piece replacement axle kits that are made from chromoly down to Chinese steel. I would stick to a D44 or bigger because its easier/cheaper to get parts and upgrades but I wouldnt just rule out the 20. Do as suggested and talk to a drivetrain specialty shop and make your decision then.
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Old 09-10-2012, 07:09 PM   #5
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Stay away from the AMC 20 axle. Unless it has been converted to a one piece, they are pain. I had one on my CJ5 and it went out on a trail, leaving me with a front wheel drive Jeep.
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