10 bolt what brand diff and gears
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Joined: Aug 2014
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From: Springfield, MO
10 bolt what brand diff and gears I HAVE 2002 Z28 AUTO WITH 3:42 GEARS AND STOCK DIFF. It is looking like I broke a tooth off one of the gears. Probably going to replace the diff and gears. Not sure what to get. I have Yukon gears that only had a 1 year warranty. A friend told me to go with Anburn Pro another said a detroit locker. Any thoughts?
Last edited by AARONPARFITT; Aug 21, 2014 at 07:48 PM. Reason: new sig
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From: Turnin' Wrenches Infractions: 005
A trutrac and a motive gear would be what I would choose. I've had good luck with the stock torsen diffs so I wouldn't be so quick to dismiss it, especially behind an auto trans.
Joined: Aug 2007
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From: Turnin' Wrenches Infractions: 005
No unfourtunatly. But dont listen to people like him, I've got so many ten bolts out there getting the crap beat out of them and not breaking. A properly built ten bolt is not a bad rear end, and can go pretty fast behind an auto without a hiccup. I've got some holding abuse behind m6s too.
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I liked blue box motives when I had the 10 bolt in my car because they were quiet. I had 2 10 bolts redone by a friend for free, but after this last one went I bit the bullet for an s60.
Either Eaton clutch type or the Truetrac diff and Motive or US Gear ring and pinion set. I may suggest a solid pinion bearing spacer and a LPW rear girdle cover.
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From: Bucks County, Pa.
The Truetrac is definitely stronger than the stock Torsen T-2, but not much more bias than the stocker, sadly enough. 
The Eaton Posi, although a different type of diff than the two above, is also very strong, and has more bias than both of them.
The Eaton Posi, although a different type of diff than the two above, is also very strong, and has more bias than both of them.
Is your car a A4 or M6? If it's a A4 then I guess you'll be ok with the 10 bolt like ssred said. I second the recommendation of a Eaton Truetrac. I had a Auburn that wore out in a 10 bolt that I unfortunately put money in....fool me once...not twice, went with a S60 and didn't look back.
My motives took a dump at 4,000 miles for some reason..They all of a sudden started whining like a bastard. I was told that I probably was unlucky & got a bad set of gears..I just had Yukons installed. I have the Eaton TruTrac also.
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With my ATI D1 at only 10 lbs I have 565 to the rear wheel with a Yank 3450 blower stall and Performabilt Level III. So far holding up well.
https://www.flickr.com/photos/183593...7630765750292/
https://www.flickr.com/photos/183593...57623345499537
Last edited by dlandsvZ28; Oct 25, 2014 at 04:28 PM.
