[IN] 3.73 Posi gears for stock 10 bolt
Thread Starter
Member
iTrader: (9)
Joined: Aug 2007
Posts: 338
Likes: 2
From: Lafayette, IN
Car: '85 IrocZ
Engine: LS1
Transmission: 4L60E
Axle/Gears: 3.73
3.73 Posi gears for stock 10 bolt
Hey guys,
I'm looking to change the gear ratio in my completely stock '85 10 bolt. It's got 3.23 currently and looking for 3.73 or something in that area. I believe this means I currently have the 26 spline stocker axles. Let me know if you have a true posi set of rear gears around ~3.73, I'd be interested in anything!
Thanks
I'm looking to change the gear ratio in my completely stock '85 10 bolt. It's got 3.23 currently and looking for 3.73 or something in that area. I believe this means I currently have the 26 spline stocker axles. Let me know if you have a true posi set of rear gears around ~3.73, I'd be interested in anything!
Thanks
Joined: Sep 2007
Posts: 1,586
Likes: 132
From: Fayette County, OH
Car: basic third gens
Engine: that I like
Transmission: to restore
Axle/Gears: and enjoy
Re: 3.73 Posi gears for stock 10 bolt
I should still have a set of 3.73's, but I don't have a posi. If that's OK, I can get out the gears for pics.
Thread Starter
Member
iTrader: (9)
Joined: Aug 2007
Posts: 338
Likes: 2
From: Lafayette, IN
Car: '85 IrocZ
Engine: LS1
Transmission: 4L60E
Axle/Gears: 3.73
Joined: Sep 2007
Posts: 1,586
Likes: 132
From: Fayette County, OH
Car: basic third gens
Engine: that I like
Transmission: to restore
Axle/Gears: and enjoy
Re: 3.73 Posi gears for stock 10 bolt

Both sets are factory GM gears, in great condition. $50 shipped for a ring/pinion. I also have an open 28 spline carrier (shown) that is missing the spider gears, as well as a Gov-Loc style locking diff (also shown) that takes 26 spline axles if I'm remembering right. The locker is not great for high performance use, but great for a daily driver.
Junior Member
iTrader: (1)
Joined: Nov 2010
Posts: 2
Likes: 0
From: Cambridge City, IN
Car: 4-1991 1LE Formulas
Engine: LB9
Transmission: T5
Axle/Gears: 342
Re: 3.73 Posi gears for stock 10 bolt
I have a complete rearend for $400. New Richmond Gears might be a to dleiver to you this weekend. no brakes on rearend--Joe
Thread Starter
Member
iTrader: (9)
Joined: Aug 2007
Posts: 338
Likes: 2
From: Lafayette, IN
Car: '85 IrocZ
Engine: LS1
Transmission: 4L60E
Axle/Gears: 3.73
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