Southern California Area Southern California Members.

Many rear gear sets

Thread Tools
 
Search this Thread
 
Old Jan 21, 2026 | 03:09 PM
  #1  
Dyno Don's Avatar
Thread Starter
Supreme Member
25 Year Member
iTrader: (7)
 
Joined: Mar 2000
Posts: 5,708
Likes: 133
From: Orange, CA
Car: '90 Trans Am-12.45@110.71
Engine: 355 w/AFR 195's Elem. 400/430 HP/TQ
Transmission: Tremec T-56
Axle/Gears: 12 Bolt 3.73
Many rear gear sets

I have several sets of gears for sale:
Used 10 bolt 3:23, 3:42, 3:73, 4:10 $25 each
(1) set new 3:73 2 series carrier $100
Local sale preferred
Will ship @ buyers cost (UPS rates)
Reply
Old Mar 4, 2026 | 05:21 PM
  #2  
Dyno Don's Avatar
Thread Starter
Supreme Member
25 Year Member
iTrader: (7)
 
Joined: Mar 2000
Posts: 5,708
Likes: 133
From: Orange, CA
Car: '90 Trans Am-12.45@110.71
Engine: 355 w/AFR 195's Elem. 400/430 HP/TQ
Transmission: Tremec T-56
Axle/Gears: 12 Bolt 3.73
Re: Many rear gear sets

Sense no one wants these in the trash they go.
Reply
Old Mar 4, 2026 | 09:03 PM
  #3  
Buddy's Avatar
Supreme Member
20 Year Member
Liked
Loved
Community Favorite
 
Joined: May 2001
Posts: 1,410
Likes: 120
From: Kars, Ontario, Canada
Car: '87 FIREGOOSE!!!!
Re: Many rear gear sets

Thats too bad to hear.
Reply
Old Mar 30, 2026 | 10:03 AM
  #4  
Dyno Don's Avatar
Thread Starter
Supreme Member
25 Year Member
iTrader: (7)
 
Joined: Mar 2000
Posts: 5,708
Likes: 133
From: Orange, CA
Car: '90 Trans Am-12.45@110.71
Engine: 355 w/AFR 195's Elem. 400/430 HP/TQ
Transmission: Tremec T-56
Axle/Gears: 12 Bolt 3.73
Re: Many rear gear sets

I have a 2 series posi I will throw in with the 3.73 new set.
Reply
Old Mar 30, 2026 | 11:40 AM
  #5  
Buddy's Avatar
Supreme Member
20 Year Member
Liked
Loved
Community Favorite
 
Joined: May 2001
Posts: 1,410
Likes: 120
From: Kars, Ontario, Canada
Car: '87 FIREGOOSE!!!!
Re: Many rear gear sets

Someone somewhat local has to take these.
Reply
Old May 19, 2026 | 01:38 PM
  #6  
RRecio19's Avatar
Junior Member
 
Joined: Jun 2025
Posts: 3
Likes: 0
From: CA
Car: 1989 Convertible Iroc Z
Engine: 355 sbc
Transmission: 700r4
Axle/Gears: 373
Re: Many rear gear sets

Hi don do you have any photos on the carrier and new set 373 gears I am interested.
Reply
Old May 19, 2026 | 02:33 PM
  #7  
pirateofms's Avatar
Member
Liked
Loved
Community Favorite
 
Joined: Jul 2021
Posts: 128
Likes: 40
From: Western WA
Car: 1989 Firebird
Engine: 2.8 V6
Transmission: T-5
Re: Many rear gear sets

pm sent
Reply
Old May 19, 2026 | 02:55 PM
  #8  
Vanilla Ice's Avatar
Supreme Member
20 Year Member
 
Joined: Aug 2002
Posts: 1,226
Likes: 49
From: ARIZONA
Car: 92 Trans Am Conv
Engine: LB9
Transmission: T5
Axle/Gears: 3.08
Re: Many rear gear sets

If you have a 3.73 setup for a 2 series carrier I’m interested.

not sure if they’ve been trashed or not.
Reply
Old May 19, 2026 | 05:28 PM
  #9  
blacksunshine'91's Avatar
Supreme Member
25 Year Member
iTrader: (10)
 
Joined: Sep 2000
Posts: 2,506
Likes: 195
From: Moorpark, CA
Car: '91 GTA, '92 T/A Convertible
Engine: GTA: 350 w/Vortec heads, T/A: 305
Transmission: Pro-built 700R4
Axle/Gears: GTA: 3.27, T/A: 2.73
Re: Many rear gear sets

I thought that a 3.73 was a series 3 carrier. Am I wrong?
Reply
Old May 19, 2026 | 05:52 PM
  #10  
Dyno Don's Avatar
Thread Starter
Supreme Member
25 Year Member
iTrader: (7)
 
Joined: Mar 2000
Posts: 5,708
Likes: 133
From: Orange, CA
Car: '90 Trans Am-12.45@110.71
Engine: 355 w/AFR 195's Elem. 400/430 HP/TQ
Transmission: Tremec T-56
Axle/Gears: 12 Bolt 3.73
Re: Many rear gear sets

I will get them for you.
Reply
Old May 20, 2026 | 08:46 AM
  #11  
Dyno Don's Avatar
Thread Starter
Supreme Member
25 Year Member
iTrader: (7)
 
Joined: Mar 2000
Posts: 5,708
Likes: 133
From: Orange, CA
Car: '90 Trans Am-12.45@110.71
Engine: 355 w/AFR 195's Elem. 400/430 HP/TQ
Transmission: Tremec T-56
Axle/Gears: 12 Bolt 3.73
Re: Many rear gear sets

Originally Posted by blacksunshine'91
I thought that a 3.73 was a series 3 carrier. Am I wrong?
aftermarket gear sets are made for 3.73's to fit 2 series carrier.
Reply
Old May 20, 2026 | 09:50 AM
  #12  
Ty92Z's Avatar
Member
10 Year Member
Liked
iTrader: (12)
 
Joined: Feb 2015
Posts: 349
Likes: 25
From: Fayetteville, NC
Car: 1992 Z28 1991 RS
Engine: LB9 LO3
Transmission: 5 speeds
Re: Many rear gear sets

What brand are the 3.42 and 4.10 sets?
Reply
Old May 20, 2026 | 04:48 PM
  #13  
Dyno Don's Avatar
Thread Starter
Supreme Member
25 Year Member
iTrader: (7)
 
Joined: Mar 2000
Posts: 5,708
Likes: 133
From: Orange, CA
Car: '90 Trans Am-12.45@110.71
Engine: 355 w/AFR 195's Elem. 400/430 HP/TQ
Transmission: Tremec T-56
Axle/Gears: 12 Bolt 3.73
Re: Many rear gear sets

Originally Posted by Ty92Z
What brand are the 3.42 and 4.10 sets?
They are GM gears
Reply
Old May 20, 2026 | 05:09 PM
  #14  
Dyno Don's Avatar
Thread Starter
Supreme Member
25 Year Member
iTrader: (7)
 
Joined: Mar 2000
Posts: 5,708
Likes: 133
From: Orange, CA
Car: '90 Trans Am-12.45@110.71
Engine: 355 w/AFR 195's Elem. 400/430 HP/TQ
Transmission: Tremec T-56
Axle/Gears: 12 Bolt 3.73
Re: Many rear gear sets

Originally Posted by RRecio19
Hi don do you have any photos on the carrier and new set 373 gears I am interested.
I posted both carriers to show the difference.
One on the left is a 2 series 26 spline.
The other is 3 series, notice the difference in the mounting flange.
The new gears were setup to test my setting tool but never used.



Reply
Old May 20, 2026 | 05:40 PM
  #15  
Vanilla Ice's Avatar
Supreme Member
20 Year Member
 
Joined: Aug 2002
Posts: 1,226
Likes: 49
From: ARIZONA
Car: 92 Trans Am Conv
Engine: LB9
Transmission: T5
Axle/Gears: 3.08
Re: Many rear gear sets

I have a 92 so I’m guessing I have an incompatible 28 spline.

I actually don’t know the pinion spline count for my car.
Reply
Old May 20, 2026 | 06:24 PM
  #16  
Ty92Z's Avatar
Member
10 Year Member
Liked
iTrader: (12)
 
Joined: Feb 2015
Posts: 349
Likes: 25
From: Fayetteville, NC
Car: 1992 Z28 1991 RS
Engine: LB9 LO3
Transmission: 5 speeds
Re: Many rear gear sets

I’ll take a set of the 3.42 and 4.10 gear sets. Accept PayPal? Do you use UPS?
Reply
Old Yesterday | 04:40 PM
  #17  
Dyno Don's Avatar
Thread Starter
Supreme Member
25 Year Member
iTrader: (7)
 
Joined: Mar 2000
Posts: 5,708
Likes: 133
From: Orange, CA
Car: '90 Trans Am-12.45@110.71
Engine: 355 w/AFR 195's Elem. 400/430 HP/TQ
Transmission: Tremec T-56
Axle/Gears: 12 Bolt 3.73
Re: Many rear gear sets

Originally Posted by Ty92Z
I’ll take a set of the 3.42 and 4.10 gear sets. Accept PayPal? Do you use UPS?
Ssle is pending on the 4.10's (actually 4.11 9/37)
Do you still want the 3.42's?
Reply
Old Yesterday | 11:14 PM
  #18  
Ty92Z's Avatar
Member
10 Year Member
Liked
iTrader: (12)
 
Joined: Feb 2015
Posts: 349
Likes: 25
From: Fayetteville, NC
Car: 1992 Z28 1991 RS
Engine: LB9 LO3
Transmission: 5 speeds
Re: Many rear gear sets

Yes, I’ll take the 3.42s
Reply
Old Today | 12:38 PM
  #19  
blacksunshine'91's Avatar
Supreme Member
25 Year Member
iTrader: (10)
 
Joined: Sep 2000
Posts: 2,506
Likes: 195
From: Moorpark, CA
Car: '91 GTA, '92 T/A Convertible
Engine: GTA: 350 w/Vortec heads, T/A: 305
Transmission: Pro-built 700R4
Axle/Gears: GTA: 3.27, T/A: 2.73
Re: Many rear gear sets

Do you have a series 2 28-spline torsen carrier?
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
1989camarorsrs
Engine/Drivetrain/Suspension Parts for Sale
19
Jul 13, 2008 11:05 PM
87nosirocz
Engine/Drivetrain/Suspension Parts for Sale
2
Mar 29, 2008 08:16 PM
vincode8
Engine/Drivetrain/Suspension Parts for Sale
7
Mar 17, 2007 12:20 PM
BIG_MODS
Engine/Drivetrain/Suspension Parts for Sale
7
Nov 16, 2006 10:41 PM
TraviZ
Transmissions and Drivetrain
17
Aug 19, 2004 04:49 PM




All times are GMT -5. The time now is 02:32 PM.