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The T5 Transmission was developed and produced by Borg-Warner beginning in 1980. Borg-Warner continued to produce and develop this transmission until 1998 when Borg-Warner sold off its transmission division to Tremec.

The T5 transmission had an extended lifespan and was installed in a multitude of car applications.

All of our conversions are prototyped using the Borg Warner T5 gearbox as fitted to the Ford Sierra Cosworth 2WD, which was introduced in 1986. However this variant of the gearbox was one of only many Borg Warner variants as explained on the Borg Warner T5 Wikipedia page. Description Features of the Tremec T5 include: an overdrive fifth gear assembly, die cast aluminum housings for reduced weight, tapered roller bearings on the cluster shaft, needle roller bearings under 1st to 4th gears to enhance performance and reduce noise.

Dollar-for-dollar, pound-for-pound, the T-5 is the smoothest-shifting, and most reliable manual transmission for moderate horsepower applications. Easily accepting up to 300 lb-ft of torque, the TREMEC T-5 is not only durable, but offers easy operation and a deep overdrive – making any hot rod, street car, or kit car more enjoyable to drive. We offer quality Borg Warner T5 and T5 World Class 5 speed manual transmission rebuiold kits and parts. Our rebuild kits are designed to be top of the line. Below we have included information on how to identify individual transmissions, application information, model year, and detailed kit and part availability by transmission type. 1 product rating - 87-93 Ford Mustang T5 Transmission Swap Complete AOD to 5 Speed Conversion Kit. Or Best Offer +$250.00 shipping.

The first application that the T5 was offered in was the AMC Spirit and Concord. From there the transmission was offered into manufacturers including General Motors, Ford, and even the Nissan 300 ZX Turbo.

By far the most popular application for the T5 has been in Ford cars, particularly the Ford Mustang.

As mentioned, the T5 was introduced into production beginning in 1980. At that time the transmission was under a classification, or internal name, called the “Non-World Class.”

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The “World Class transmission” was designed to be able to meet standards from across the world. The World Class transmission first became popular beginning around 1985. Cannot find surface type cover filter device.

While this transmission can still be purchased and many aftermarket companies offer this, the application in normal production vehicles ended in 2010.

Pros and Cons

The Tremec T5 was a very popular transmission and used in over 200 applications over 30 years. Some of the reasons for its popularity were its overall reliability, light weight and the overdrive gear available in 5th gear.

One of the more common issues reported was difficulty shifting into reverse as the reverse gear is not synchronized. There are some ways to resolve the issue after some experience, such as shifting into a gear before shifting to reverse.

T5 Transmission Performance Specs

T5 Transmission Specification Chart

While the T5 transmission is not weak, it is also not meant for high-powered performance applications. A more common application would be paired to a V6 engine.

The peak torque that this 5-speed manual transmission could handle was 265 lb-ft upon introduction. This power rating was the same for the non-world class as well as the original world class T5 transmission.

The power rating did increase in 1990 thanks primarily to a stronger gear set, increasing the peak torque to 300 lb-ft, with later applications getting up to 310 lb-ft.

T5 Gearbox For Mgb

The T5 is mounted longitudinally so that it can support rear wheel drive applications. The T5 is a 5 speed transmission that came in a very large variety of gearset options.

One of the common gear ratio selections in the high power option is 2.95 in 1st, 1.94 in 2nd, 1.34 in 3rd, 1 in 4th and 0.63 in 5th. The reverse gear was given a ratio of 2.76 in this application.

Materials, Size and Weight

The main housing of the T5 is made of cast aluminum. The top cover is also made from Cast aluminum.

The length of the transmission varies significantly depending on the application. The overall length of the transmission in common Ford applications in is 31.6 inches, while the length from the front of the main housing to the output shaft is around 15.4 inches.

The transmission is quite light, with reported weights being between 70 to 75 pounds. The transmission fluid capacity of the T5 is 2.8 quarts.

The T5 transmission was a 5 speed manual transmission that was first produced in 1980 by Borg-Warner. Some significant modifications were available beginning around 1985 as the transmission made the transition from the non-world class to the world class model.

In 1998 the transmission was taken over by Tremec, and this transmission was used in a variety of production cars until 2010. This 30 year usage makes it one of the longest lasting overdrive manual transmissions of all time.

While the T5 was applied in a number of applications, it is most well-known for its applicability to Fords. The transmission was able to handle a peak torque of 265 lb-ft upon introduction but reached up to 310 lb-ft in certain applications during its lifecycle.

• • New aftermarket gearbox
  • Rated up to 300 lb-ft torque
  • Ratios 1st 2.95, 2nd 1.94, 3rd 1.34, 4th 1.00, 5th 0.63 Rev 2.76
  • 0.80:1 ratio 5th gear set available. We can fit this for you
  • Various bellhousings available
  • Short shift position tail housings available to suit TVR and Hot Rods
  • Short tail housing and modification available to suit Jaguar E-Type
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T5 Gearbox For Sale Nz

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• • Reconditioned exchange gearboxes
  • Available to suit Sierra Cosworth and TVR
  • Early and late spec TVR tailcase options available
  • Surcharge applies for outright purchase
  • Ask about our heavy duty gear set available for these
  • We can fit this for you, just get in touch for details

All prices are exclusive of UK VAT and are subject to change.