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Old 12-23-2003, 06:31 AM
M&M CUSTOM's Avatar
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Last wiki edit: Transmission identification
Last journal entry: 1988 Suburban, the project continues.
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Transmission Information.

I have revised this thread to include both manual AND automatic transmission information.

I'll have to start out by apologizing to you Ford, Mopar, and everything else guys. I have a strong GM background, and the rest isn't really greatly covered on the internet.
If you know of something that should be here shared for everyone, let me know and I will try to put it in here with credit going to you for sharing it.

I put this up as an identification thread to help us all out.

I will try my best to describe the link contents for ease of finding the information you may need.

Doesn't this little dude look like he's smashing a bellhousing?

AUTOMATIC TRANSMISSION PAN IDENTIFICATION BY SHAPE & BOLT HOLE COUNT.

I unstuck my "The Chevy TH-700R4 Transmission." as it was added to the ranks of the Knowledge Base with it's own page.
The sticky thread I had on here is located at the following link.
http://hotrodders.com/showthread.php...R4+Information

The TH-700R4 Knowledge Base cluster is here:
http://hotrodders.com/kb/transmissio.../TH-700R4.html

This TH-700R4 information has been around for as long as I can remember but I can't think of why I did not post the link in here before now.
Thanks to *Frisco* for the reminder.
http://purplesagetradingpost.com/sum...o/700R4p1.html

Just in case you're curious, power loss for various auto transmissions:
Please remember these are approximate values, and were provided by Car Craft Magazine.

Powerglide_____18 hp
TH-350________36 hp
TH-400________44 hp
Ford_C-6______55-60 hp
Ford_C-4______28 hp
Ford_FMX______25 hp
Chrysler_A904__25 hp
Chrysler_727___45 hp


BW T-5, Saginaw/Muncie Bellhousing Bolt Pattern Measurements.

Fullsize Version Of This bellhousing Bolt Pattern Picture

Saginaw Transmission Gear Ratio Identification.

Saginaw 3-speed 1st 2nd 3rd
No Lines (grooves) 2.85 1.68 1.00
1 Line (groove ) 2.54 1.50 1.00
2 Lines (grooves) 3.11 1.84 1.00
3 Lines (grooves) 3.50 1.89 1.00
Others found but not with complete specs:
------------------2.54 1.88 1.00

Saginaw 4-speed 1st 2nd 3rd 4th
No lines (grooves) 2.84 2.01 1.35 1.00
1 Line (groove ) 2.54 1.80 1.44 1.00
2 Lines (grooves) 3.11 2.20 1.47 1.00
3 Lines (grooves) 3.50 2.47 1.65 1.00
Others found but not with complete specs:
-------------------2.20 1.64 1.47 1.00

Muncie Transmission Gear Ratio Identification

Transmission Year 1st 2nd 3rd 4th
M-20 wide ratio 63-65 2.56, 1.91, 1.48, 1.00
M-20 wide ratio 66-70 2.52, 1.88, 1.46, 1.00
M-20 wide ratio 71-74 2.52, 1.88, 1.46, 1.00
M-21 close ratio 63-65 2.20, 1.64, 1.28, 1.00
M-21 close ratio 66-70 2.20, 1.64, 1.28, 1.00
M-21 close ratio 71-74 2.20, 1.64, 1.28, 1.00
M-22 close ratio 65-69 2.20, 1.64, 1.28, 1.00
M-22 close ratio 70-74 2.20, 1.64, 1.28, 1.00
Others found but not with complete specs:

Borg Warner Transmission Gear Ratio Identification

Transmission Years 1st, 2nd, 3rd, 4th Spline
T-10 Close Ratio 57-62 2.20, 1.66, 1.31, 1.00
T-10 Close Ratio 62-65 2.20, 1.64, 1.31, 1.00 aka T10C, T10F, T10K
T-10 Wide Ratio 61-62 2.54, 1.92, 1.51, 1.00 aka T10A
T-10 Wide Ratio 62-65 2.54, 1.89, 1.51, 1.00 aka T10D, T10E, T10G
T-10 Close Ratio 64-65 2.20, 1.64, 1.31, 1.00
Others found but not with complete specs:
2.36 1.62 1.20 1.00 aka T10M
2.54 1.74 1.30 1.00 aka T10N
2.36 1.78 1.41 1.00 aka T10B
2.36 1.76 1.41 1.00 aka T10J T10L
2.73 2.04 1.50 1.00 aka T10H



ST-10 74-95 2.43, 1.61, 1.23, 1.00 aka T10S
ST-10 74-95 2.64, 1.75, 1.33, 1.00 aka T10W
ST-10 74-95 2.88, 1.91, 1.33, 1.00 aka T10CC
ST-10 74-95 3.42, 2.28, 1.46, 1.00 aka T10Z
Others found but not with complete specs:
2.43 1.76 1.47 1.00 aka T10P
3.44 2.28 1.46 1.00 aka T10U
2.23 1.77 1.35 1.00 aka T10V
2.64 1.60 1.23 1.00 aka T10X
2.88 1.74 1.33 1.00 aka T10Y
3.29 1.72 1.00 0.80 aka T10AA
4.17 2.28 1.46 1.00 aka T10BB
2.64 2.10 1.60 1.00 aka T10Q
2.64 2.10 1.46 1.00 aka T10T
2.23 1.77 1.35 1.00 aka T10V
2.99 1.86 1.33 1.00 aka ST10-99
3.08 1.86 1.33 1.00 aka ST10-99

Borg Warner T56 Transmission Gear Ratio Identification

Part# 1st 2nd 3rd 4th 5th 6th Torque Rating
-003 2.66 1.78 1.30 1.00 0.74 0.50 330 lbs/ft
-006 3.36 2.07 1.35 1.00 0.80 0.62 350 lbs/ft
-007 2.97 2.07 1.43 1.00 0.80 0.62 350 ft/lbs
-011 2.97 2.07 1.43 1.00 0.80 0.62 450 ft/lbs
-012 2.97 2.07 1.43 1.00 0.80 0.62 450 ft/lbs
-016 2.66 1.78 1.30 1.00 0.74 0.50 450 ft/lbs
-017 2.66 1.78 1.30 1.00 0.74 0.50 450 ft/lbs
-018 2.66 1.78 1.30 1.00 0.74 0.50 450 ft/lbs
-019 2.66 1.78 1.30 1.00 0.74 0.50 450 ft/lbs
-020 2.66 1.78 1.30 1.00 0.74 0.50 450 ft/lbs
-021 2.66 1.78 1.30 1.00 0.79 0.63 450 ft/lbs
-022 2.66 1.78 1.30 1.00 0.74 0.50 350 ft/lbs
-023 2.66 1.78 1.30 1.00 0.74 0.50 375 ft/lbs
-024 2.66 1.78 1.30 1.00 0.74 0.50 375 ft/lbs
-025 2.97 2.07 1.43 1.00 0.84 0.56 385 lbs-ft

Tremec Transmission Gear Ratio Identification

Standard 350 lbs-ft....3.27 1.98 1.34 1.00 0.64
Standard II 375 lbs-ft.3.27 1.98 1.34 1.00 0.83
TKO 425 lbs-ft...........3.27 1.98 1.34 1.00 0.64
TKO II 475 lbs-ft........3.27 1.98 1.34 1.00 0.83
500..........................2.87 1.89 1.28 1.00 0.64
600..........................2.87 1.89 1.28 1.00 0.82 -
----6-speed............. 3.27 1.98 1.34 1.00 0.83 0.50
----6-speed..............3.18 2.06 1.39 1.00 0.65 0.50

------------------------------------------------------
Here is the difference between the TH-250C and the TH-350C. Thanks to *tnsmith10* AND *Crosley*
Quote:
The TH-250C will have a stud with an adjusting nut on the upper right side of the transmission case for the band in the area of the cooler line fittings on the p****enger side of the tranny and it protrudes from the case. The TH-350C does not.
Art Carr Performance Transmissions FAQ:
Art Carr FAQ page

[b]Flash Stall And Foot Brake Stall Explained on TCI's site.
Stall Explained

Transmissions Dimensions From TCI:
Transmission Dimensions from TCI, With Links To The Rest Of TCI's Site.

Here's a mostly GM manual transmission parts, ID, & ratio site:
www.dandltransmission.com

And another manual transmission parts & rebuild place:
www.kajunjon.com

302/Z28 Contributed this link:
http://www.smokemup.com/auto_math/mph_range.php

International Harvester 5 speed page
IHC 5 speed transmissions.


GM Automatic Transmission Gear Ratio's
Transmission
_Model----------First Second Third Fourth Reverse
Rear Wheel Drive:
Powerglide......1.76/1.82 1.000
TH-180C (3L30)...2.400 1.479 1.000 --- 2.000
TH-200 (& "C")....2.741 1.568 1.000 --- 2.067
TH-200-4R..........2.741 1.568 1.000 0.674 2.067
TH-300 (Jetaway)
TH-350...............2.52 1.52 1.00 ---
TH-400 (3L80)......2.482 1.482 1.000 --- 2.077
TH-700-R4 (4L60)..3.059 1.625 1.000 0.696 2.294
4L30-E................2.400 1.479 1.000 0.723 2.000
4L30-E Optional....2.860 1.620 1.000 0.723 2.000
4L60-E................3.059 1.625 1.000 0.696 2.294
4L60-E Optional....3.080 1.880 1.000 0.790
4L80-E................2.482 1.482 1.000 0.750 2.077
4R70...................2.84 1.560 1.000 0.700 ---

Front Wheel Drive:
TH-125C (3T40)....2.840 1.600 1.000 --- 2.067
TH-440-T4 (4T60).2.921 1.568 1.000 0.705 2.385
4T60-E................2.921 1.568 1.000 0.705 2.385
4T65-E................2.921 1.568 1.000 0.705 2.385
4T80-E................2.960 1.626 1.000 0.681 2.130

Ford:
C-4.....................2.46 1.46 1.00
C-6.....................2.46 1.46 1.00
AOD....................2.40 1.47 1.00 .67
AOD Wide.............2.84 1.55 1.00 .67
AODE/4R70W........2.84 1.55 1.00 .70
AL4D...................2.47 1.47 1.00 .75
E4OD...................2.71 1.53 1.00 .71
5R55S - Mustang...3.25 2.44 1.55 1.00 .75


Chrysler:
TF-904................2.45 1.45 1.00
A-500/42RH..........2.74 1.54 1.00 .69
TF-727................2.45 1.45 1.00
A-518/618/47RH....2.45 1.45 1.00 .69
Jeep 42RE.............2.80 1.55 1.00 .69

----------------------------------------------------------
The TH200-4R is identified by 10 bolt holes and 2 dowel-pin locator holes on the universal bellhousing. It has a dual "universal" bolt pattern for both Chevrolet L-6, 90 V-6, and all V-8, and BOPC (Buick, Olds, Pontiac, Cadillac) applications. The TH200 has only six bolt holes and 2 dowel-pin holes.
There are rumors/myths/urban legends of a TH-350 with the "universal" bolt pattern, but many hours of searching on the internet and asking other members here on Hotrodders.com have resulted in nothing conclusive. Yet!


THM-200-4R Transmission Information





===============================================

Ford Transmission ID links:

2 speed, 3 speed, C4 and C6: 1959-1978
Ford Transmission Data
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Last edited by M&M CUSTOM; 04-06-2005 at 09:49 AM. Reason: Just updating, again.
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  #2 (permalink)  
Old 08-24-2004, 04:15 PM
M&M CUSTOM's Avatar
Hotrodders.com Moderator
 
Last wiki edit: Transmission identification
Last journal entry: 1988 Suburban, the project continues.
Last photo:
Join Date: Mar 2003
Location: Northwest Pennsylvania.
Age: 43
Posts: 2,231
Wiki Edits: 9

Thanks: 0
Thanked 1 Time in 1 Post
Page 2

Sometime in the future I will have enough information to deem a second page necessary, I will most likely seperate the automatic transmissions from the manual transmissions.

So I decided to give my Transmission Information sticky post a "page 2".

Last edited by M&M CUSTOM; 04-06-2005 at 09:56 AM. Reason: Just updating, again.
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