Transmissions and Drivetrain Need help with your trans? Problems with your axle?

Trans Identification

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Old 07-20-2010, 10:13 PM
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Car: 1983 Z28
Engine: Forged 355
Transmission: 700r4
Axle/Gears: 2.73
Trans Identification

I have searched for about 2 hours on transmissions and have not found exactly what trans I have. I just bought an engine and trans, the engine (from cast number) is a 327 that originaly had a 2-speed PG in a full size car.

MG11182 , is right above the pan on driver side behind the shifter.
B2 is stamped on top of the trans.

It has a 13 bolt pattern on the pan with a squarish pan with a corner cut. Like..
**_______
*/--------|
/----------|
|----------|
|----------|
|----------|
|_________|

^^ Haha, my lovely diagram.

This seems like it is a TH350, and I believe it is. But I can't find any transmission decoder to prove that it is.

Last edited by TheMonster; 07-20-2010 at 10:17 PM.
Old 07-20-2010, 10:55 PM
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Car: 87 IROC L98
Engine: 588 Alcohol BBC
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Axle/Gears: Ford 9"/31 spline spool/4.86
Re: Trans Identification

Swapping out a PG for a TH350 was very common. The pan description sounds like a TH350.
Old 07-21-2010, 10:46 AM
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Re: Trans Identification

Definitely sounds like a TH350
Old 07-21-2010, 11:52 AM
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Car: 1983 Z28
Engine: Forged 355
Transmission: 700r4
Axle/Gears: 2.73
Re: Trans Identification

Alright, I still believe it is a th350, too bad..
Old 07-21-2010, 08:49 PM
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Re: Trans Identification

Does it have any type of wirring harness' comming out of it?All the TH350 were dry no harness'By your awesome diagram I would say 700 r
Old 07-22-2010, 05:40 AM
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Re: Trans Identification

http://www.bulkpart.com/Merchant2/me...General-Motors
Old 07-22-2010, 08:00 AM
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Car: 1983 Z28
Engine: Forged 355
Transmission: 700r4
Axle/Gears: 2.73
Re: Trans Identification

Originally Posted by Kaycee
Does it have any type of wirring harness' comming out of it?All the TH350 were dry no harness'By your awesome diagram I would say 700 r
No, I know for sure it isn't a 700r4, I have like 4 sitting around my garage.
It looks like a th350, but it only has 5 gear positions (? Park-R-N-/3/-2-1 ?)


@Sofa, I figured out it was a 350, but I still only have 5 gear positions. I will get a quick picture/vid tonight of what I am talking about.

Last edited by TheMonster; 07-22-2010 at 08:04 AM.
Old 08-08-2010, 09:38 AM
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Re: Trans Identification

are you talking about the casting numbers on the top of the trans case?
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