The Manual Transmission Manual

We get a lot of emails from readers who want to know what all the different Ford overdrive manual transmissions are, and what is the best for their car and engine. So we decided to give you this quick reference manual to the four most popular overdrive transmissions for early or late model Fords.

You can see the critical specs and dimensions on the transmission, and get an idea of the power they can handle. All of the transmission data listed are for the Ford versions of these transmissions, but keep in mind Tremec supplied variations of the same transmission for use in many other brands of vehicles. So if you come across a T5 out of a GM car, it will not be the same dimensions as listed here. We are strictly listing Ford applications only.

If you have questions on installation, whether it will fit a certain application, bellhousing and clutch requirements, we suggest you contact Fortes Parts listed in the contact section at the end of this page.

As an added bonus we've also got the rebuild manuals, in downloadable form, for those of you who have busted up a tranny and want to rebuild it! F/M

Tremec T5 (5 speed)
V8 T5's can handle roughly 300 lb.ft. Good for small block Fords, less than 351 cid displacement, street driven.

Dimensions
A=19.5"
B=7.2"
C=14.5"
D=24.7"

Weight
75lbs

T5 Rebuild Manual - PDF 4.11MB
To save the manual on your hard drive, right click mouse and select "save target as", then choose the directory to save to.

Gear Ratios
1
2
3
4
5
Reverse
3.35 or 2.95
1.94
1.34
1.00
0.63
2.76

Tremec T3550/TKO (5speed)
3550 is capable of handling 425 lb.ft. of torque, good for small block Fords with power adders or launching on slicks at high rpm, or

TKO is upgraded to handle 525 lb. ft. of torque. Good for 400+ cid motors, strokers, etc.


Note the three shift lever mounting options.
Dimensions
A=19.5"
B=15.8""
C=24.1"

Weight
100lbs

T3550/TKO Rebuild Manual - PDF 2.67MB
To save the manual on your hard drive, right click mouse and select "save target as", then choose the directory to save to.
Gear Ratios
1
2
3
4
5
Reverse
3.27
1.98
1.34
1.00
0.68 or 0.83
3.00

Tremec T56 (6 Speed)
T56 can handle up to 400 lb.ft. Dual overdrive makes it a great high transmission for high performance street vehicles. Bellhousing is integral.

Dimensions
A=26.4"
B=5.3"
C=26.4"
D=33.1"

Weight
115-130lbs


Download T56 Rebuild Manual - PDF 2.24MB
To save the manual on your hard drive, right click mouse and select "save target as", then choose the directory to save to.

Gear Ratios
1
2
3
4
5
6
Reverse
2.66
1.78
1.30
1.00
0.74 or 0.80
0.50 or 0.0.62
3.00

Sources:
TTC Automotive
Phone: (800) 401-9866


Fortes Parts
(781) 273-9900
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Early Mustang T5 Conversion

Late Model Mustang AOD to T5 Conversion
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