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700r4 Identification

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Old Jul 3, 2018 | 09:19 PM
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Car: 92 Z28 Clone
Engine: Vortec 350
Transmission: T-56
Axle/Gears: 3.23 Torsen
700r4 Identification


Can anybody tell me what this 700r4 came off of. I know its a 91 but thats it.

Last edited by maroe624; Jul 3, 2018 at 09:23 PM.
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Old Jul 4, 2018 | 12:45 AM
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Re: 700r4 Identification

91 Camaro or Firebird, 3.1L, Built on 214th day, second shift. FBM is the model number, which you can use to identify service parts in the catalog. Not much else to tell.
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Old Jul 4, 2018 | 02:07 AM
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Transmission: T-56
Axle/Gears: 3.23 Torsen
Re: 700r4 Identification

Originally Posted by Drew
91 Camaro or Firebird, 3.1L, Built on 214th day, second shift. FBM is the model number, which you can use to identify service parts in the catalog. Not much else to tell.



Cool thanks buddy. I'm gonna buy it off some dude for 80 bones. Most likely It is not in working order that's why it was removed but you never know. I wanna tear into it, see whats going on in there and possibly rebuild myself. I want it to replace my 92 v6 700r4 when it goes. That way I have two trans.
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Old Jul 4, 2018 | 10:38 AM
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Re: 700r4 Identification

It is a 1991 (first digit is a 1) and for $80.00 that is a very good price as long as the oil is not black. 1987 - 1993 700R4 cores are going for $200.00 most everywhere now.
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Old Jul 4, 2018 | 12:43 PM
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Car: 92 Z28 Clone
Engine: Vortec 350
Transmission: T-56
Axle/Gears: 3.23 Torsen
Re: 700r4 Identification

Originally Posted by Pro Built Automatics
It is a 1991 (first digit is a 1) and for $80.00 that is a very good price as long as the oil is not black. 1987 - 1993 700R4 cores are going for $200.00 most everywhere now.


Yeah dude wanted 150 for it but I talked him down 80. Told him most likely it was no good that's why they removed it. I'm picking it up friday after work.Hopefully he doesn't flake.
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Old Jul 4, 2018 | 01:48 PM
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Re: 700r4 Identification

Originally Posted by Pro Built Automatics
It is a 1991 (first digit is a 1) and for $80.00 that is a very good price as long as the oil is not black. 1987 - 1993 700R4 cores are going for $200.00 most everywhere now.
For a six cylinder trans?

Guess I shouldn't have scrapped mine then. Oops.

Where do I go to redeem a V8 700R4 case? LOL I was going to recycle it with the rest of the aluminum scrap, but if it's actually worth something.....
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Old Jul 4, 2018 | 04:39 PM
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Car: 92 Firebird
Engine: 4.8 LR4
Transmission: T56
Axle/Gears: 3.45 9 Bolt
Re: 700r4 Identification

Originally Posted by Drew
For a six cylinder trans?

Guess I shouldn't have scrapped mine then. Oops.

Where do I go to redeem a V8 700R4 case? LOL I was going to recycle it with the rest of the aluminum scrap, but if it's actually worth something.....
I know, right? I beat mine with a sledge so I could get the steel out of it to recycle it all
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Old Jul 5, 2018 | 01:02 AM
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From: Los Angeles
Car: 92 Z28 Clone
Engine: Vortec 350
Transmission: T-56
Axle/Gears: 3.23 Torsen
Re: 700r4 Identification

Originally Posted by Drew
For a six cylinder trans?

Guess I shouldn't have scrapped mine then. Oops.

Where do I go to redeem a V8 700R4 case? LOL I was going to recycle it with the rest of the aluminum scrap, but if it's actually worth something.....





I hate when I throw stuff away and then later end up needing it.
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Old Jul 5, 2018 | 06:11 AM
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Re: 700r4 Identification

My mistake. If it is a non V-8 bellhousing, then it not worth as much. The majority of the gear train is still useable. A lot of these have the 5,500 rpm or 6,000 rpm matching valve body and governor setup, depending on what motor was in front of it and the horsepower (at what rpm was the horsepower rated at?) of the motor. Haven't seen one of these in years.
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Old Dec 7, 2024 | 10:44 AM
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Re: 700r4 Identification

Originally Posted by Drew
91 Camaro or Firebird, 3.1L, Built on 214th day, second shift. FBM is the model number, which you can use to identify service parts in the catalog. Not much else to tell.
Hello sir , i could really use your help im trying to figure out exactly what this 700r4 i bought came out of . Its an 89 and i think made in January it has a 3 letter code . Number on pass side is 9yzm159h case number is 8663549 and i found a number on pass side by tail piece its 2kl261652 its vertical . Any help would be great ! Thank you !
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Old May 19, 2025 | 07:17 PM
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Car: 1989 Pontiac Firebird Formula 350
Engine: 5.7 TPI
Transmission: Auto
Axle/Gears: 9 Bolt 3:27
Re: 700r4 Identification

Originally Posted by skip k
Hello sir , i could really use your help im trying to figure out exactly what this 700r4 i bought came out of . Its an 89 and i think made in January it has a 3 letter code . Number on pass side is 9yzm159h case number is 8663549 and i found a number on pass side by tail piece its 2kl261652 its vertical . Any help would be great ! Thank you !
9yzm159h is the transmission plant build info.
9 = 1989 build year
yzm = trans model
159 = built on the 159th day of 1989
h = built on 2nd shift

2kl261652 is the partial vin # that the trans was installed in.
2 = pontiac
k = model year 1989
l = plant of manufacture (Van Nuys CA)
261652 = last 6 digits of vehicle vin #
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