Put a T5 in your Classic Mustang along with clutch cable, conversion of automatic or manual transmission.  We specialize in T5 & Tremec  five speed conversions and rebuild and repair.

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"Five/Six Speed Conversion Specialists"

 

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Modern Driveline is a TREMEC Elite Distributor




 Modern Driveline is a proud member of SEMA

For help and guidance check out Tech Alley.
When you are ready to order review our ordering options in Customer Service then check out the Product Catalog. 

Have Questions? Send us an email with your details.

Note: If you already have a transmission, check out our transmission specs page to be sure the type you have will meet the torque your engine is providing.  

 

Tech Alley                                     "Where you find all the answers"

TREMEC TR-3550

The TR-3550 five-speed overdrive transmission was developed to provide great torque capacity and is ideal for specialty sports cars equipped with high torque engines.  The 3550 line developed into a TKO and TKOII.  In 2004 the 3550 and TKO was replaced by the TKO-500/600 product line.  Today the 3550 and TKO is only available as a used or rebuilt unit.  Service parts and upgrades are available such as carbon fiber synchro rings and steel forks.

 

Features & Benefits:

  • Five forward speeds with 5th gear overdrive provides extended ratio coverage, lowering engine RPM's and improving fuel economy. (Available in .68 or .82 overdrive ratio)
  • Tapered roller bearings on input, output and counter shafts increase torque capacity.
  • Massive 83 mm center distance from mainshaft to countershaft allows for the largest most durable gear sizes. 
  • Specially designed aluminum die cast housings provides optimum strength-to-weight ratio.
  • Steel input shaft retainer enhances durability.
  • TKO models are offered with upgraded steel on select gearing, delivering maximum torque capacity.
  • Internal multi-rail shift linkage system provides robust, positive shifting.
  • Fifth speed synchronizer located on countershaft reduces gear rattle and shift effort.
  • Multiple shift lever locations available:
    • Rear - standard on all TR-3550 transmissions - ideal for Mustang applications
    • Mid-shift location - ideal for pick-up truck retrofits
    • Front-shift location - allows retrofits of custom-made cars and other Hot-Rod applications


 

TREMEC
Part Number
Weight
(lbs)
Torque Cap.
(lbs-ft)
Gear Ratio Chart
1st 2nd 3rd 4th 5th Rev
Standard (260 0682R) 100 350 3.27 1.98 1.34 1.00 0.68 3.00
Standard II (TCET1376) 100 375 3.27 1.98 1.34 1.00 0.82 3.00
TKO (260 0708) 100 425 3.27 1.98 1.34 1.00 0.68 3.00
TKO II (TCET1377) 100 475 3.27 1.98 1.34 1.00 0.82 3.00

RELATED INFO

T-45    T-5    TKO    TR-3550    TR-3650

T-56    T-56 Magnum    S-197 Magnum

 

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 Last edited: 2013-01-22 08:55