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Username Post: Help me identify 700r4?        (Topic#229913)
brian73 
Member
Posts: 71

Loc: mn
Reg: 12-22-05
11-18-09 11:09 AM - Post#1808042    

I don't know if this is the right place but could someone help with identifying a 700r4? , on the driver side it has the #'s 8663548 embossed on it. Is there any other #'s I should look for?.



 


brian73 
Member
Posts: 71

Loc: mn
Reg: 12-22-05
11-18-09 11:44 AM - Post#1808058    
    In response to brian73

Sorry , I should clarify I'm looking for the year and possibly what it came out of .
Thanks



 
Brian C 
Member
Posts: 954

Age: 60
Loc: Nampa, Idaho
Reg: 12-19-05
11-18-09 01:09 PM - Post#1808099    
    In response to brian73

I don't have that number listed but in 1987 the numbers started with 8663589 so yours is most likely older than that. Probably a 1986 model. As for what it came out of you can get close by looking at the case, tail shaft housing and speedo gear. If it has a tranny mount on the tail shaft housing it is probably from a Camaro or Firebird. If it has a K on the top of the case at the bellhousing it is from a 4x4. If the parts of the case where the flywheel cover mounts are cut off flush with the sides of the bellhousing and do not stick out past there then it is from an S10. ALso what type of speedo connection it has can tell you a bit but I am not up on those.

By looking at the pan you can tell if it is a 86 or older or 87 or newer. The 87 has an auxilliary valve body and requires a pan that is .040" deeper. This pan also has a four indentations near the back of the pan that are the four corners of a square. One of those corners is smaller than the others. If the pan does not have those marks then it is a 86 or older. Also if it has a 27 spline input shaft then it is a 84 or older. A 30 spline input makes it 85 or later. Hope this helps.

79 Pinto wagon (sold the Neon, I am now mopar free)
94 Safari Van awd
79 Mustang, turbo 4
89 Mustang ragtop,
36 chevy cab (intended to be a 4x4 rat rod someday)
Really, really want another ElCamino.


 
gchemist 
Senior Chevytalk Moderator
Posts: 24649
gchemist
Loc: Austin, TX 78748
Reg: 05-09-00
11-18-09 01:25 PM - Post#1808104    
    In response to Brian C

How long is the tailshaft? 6-9-12"?

'83 Silverardo XST - ZZ4 powered
'95 Jimmy SLT (Bought @131,814)
'96 GMC Jimmy LS Ret. @236651 miles


 
FINMAN 
Frequent Contributor
Posts: 1326

Loc: Burlington , Mass
Reg: 03-01-05
11-18-09 04:58 PM - Post#1808202    
    In response to gchemist

When standing behind the transmission and looking at the rear right hand corner of the pan flange there should be an ID code number.



 
brian73 
Member
Posts: 71

Loc: mn
Reg: 12-22-05
11-19-09 07:47 AM - Post#1808509    
    In response to FINMAN

It does have a big k embossed on the side of bell housing and it has a 6" tail shaft I will look for the dots this evening .
This tranny was rebuilt before I got it and I plan on putting it in my 73 caprice .
This has been a big help ,Thanks all .



 
Mike 
Senior Member
Posts: 8136

Reg: 06-30-00
11-19-09 10:11 AM - Post#1808587    
    In response to brian73





 
brian73 
Member
Posts: 71

Loc: mn
Reg: 12-22-05
11-19-09 10:18 AM - Post#1808589    
    In response to Brian C

It does have the 4 corners of a square with one being smaller , so that means its newer than an 86 and would have a 27 spline shaft ?.



 
gchemist 
Senior Chevytalk Moderator
Posts: 24649
gchemist
Loc: Austin, TX 78748
Reg: 05-09-00
11-19-09 11:23 AM - Post#1808632    
    In response to brian73

Nope, a 84 and later has a 30 input spline. A 6" tailshaft is a good indicator it came from a car.

'83 Silverardo XST - ZZ4 powered
'95 Jimmy SLT (Bought @131,814)
'96 GMC Jimmy LS Ret. @236651 miles


 
Brian C 
Member
Posts: 954

Age: 60
Loc: Nampa, Idaho
Reg: 12-19-05
11-19-09 12:27 PM - Post#1808658    
    In response to gchemist

The K indicates that it came from a 4x4 but the 4x4 has a 3" tail shaft without a tail shaft housing. If it has had the tail shaft changed and now has a tail shaft housing then it should be about 8" long. Then it should fit in your caprice. The 30 spline input started in 85. The deeper pan started in 87.

After you find the model number as Mike pointed out then one of us can tell you exactly what type of vehicle it originally came out of.

79 Pinto wagon (sold the Neon, I am now mopar free)
94 Safari Van awd
79 Mustang, turbo 4
89 Mustang ragtop,
36 chevy cab (intended to be a 4x4 rat rod someday)
Really, really want another ElCamino.


 
brian73 
Member
Posts: 71

Loc: mn
Reg: 12-22-05
11-20-09 05:01 AM - Post#1809049    
    In response to Brian C

The 350 in my caprice has a 9" tail shaft , I measured both tranny's and there is less than an 1" difference so I Should not have to cut down drive shaft . I didn't notice the numbers when I looked at it before , but I will look more closely and let you know .



 
brian73 
Member
Posts: 71

Loc: mn
Reg: 12-22-05
11-20-09 03:58 PM - Post#1809366    
    In response to brian73

I found some #'s , they are7txm205 and what appears to be either 53 or maybe BB I can't tell .
Will these lead to an exact ID ?.



 
Brian C 
Member
Posts: 954

Age: 60
Loc: Nampa, Idaho
Reg: 12-19-05
11-20-09 07:46 PM - Post#1809486    
    In response to brian73

It was from a 1987 pickup 4x4 with a 5.7L engine. So that means that it won't fit in your caprice unless it has had the tail shaft changed to a 2wd type and a tail shaft housing added. For a two wheel drive the tail shft housing should be 7 1/4 inches with the shaft extending another 3/4 inch for a total of 8 inches. For a 4x4 the shaft will stick out of the case about 3 inches. These can be changed by a competant mechanic or a good shade tree mechanic with patience.

79 Pinto wagon (sold the Neon, I am now mopar free)
94 Safari Van awd
79 Mustang, turbo 4
89 Mustang ragtop,
36 chevy cab (intended to be a 4x4 rat rod someday)
Really, really want another ElCamino.


 
Brian C 
Member
Posts: 954

Age: 60
Loc: Nampa, Idaho
Reg: 12-19-05
11-20-09 07:50 PM - Post#1809487    
    In response to Brian C

I just reread one of your previous posts and saw that you already measured it. So someone has already changed out the tail shaft. Cool.

To put the 700r4 in where the th350 came out will require that you verify that the detent cable is set up correctly. In a th350 it is a kickdown cable and in the 700r4 it is a throttle vavle cable. They have different purposes so they have different setup requiements. I recomend that you study the info on this website> http://purplesagetradingp ost.com/sumner/techinfo/7...

79 Pinto wagon (sold the Neon, I am now mopar free)
94 Safari Van awd
79 Mustang, turbo 4
89 Mustang ragtop,
36 chevy cab (intended to be a 4x4 rat rod someday)
Really, really want another ElCamino.


 
brian73 
Member
Posts: 71

Loc: mn
Reg: 12-22-05
11-23-09 04:43 AM - Post#1810758    
    In response to Brian C

You Guy's have been a great help with the info,
Thanks again



 
wheelman 
Valued Contributor
Posts: 3638
wheelman
Loc: Long Island--New York
Reg: 04-14-07
06-24-13 06:23 AM - Post#2358013    
    In response to brian73

I have same trans in my 68 Impala and for life of me cant find a correct inspection cover to fit. Bought 5 factory and 3 different aftermarket and none line up correctly. Starting to get annoyed.

OTLM025 are side numbers last letter illegible. Also has a large MD8. Embossed above those numbers.

1968 Impala Sports Coupe
2004 Jeep Grand Cherokee
Save a Classic - Crush an Import
[url=https://www.facebook.com/greg.leonovich [/url]


Edited by wheelman on 06-24-13 06:26 AM. Reason for edit: No reason given.

 
models916 
Valued Contributor
Posts: 4785

Age: 67
Loc: Addison, IL
Reg: 05-28-10
06-24-13 07:40 AM - Post#2358038    
    In response to wheelman

K case 700r4 will need the aluminum 4x4 cover with the holes for the support rods.



 


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