68-72 GTO 5 & 6 Speed Conversions

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MODERN DRIVELINE  Offers  five and six-speed conversions for
Small & Big Block & LS swapped GTO, LeMans
As well as Tempest, Buick GS, Skylark, Olds Cutlass, 442

Our line of products offers simple ways to upgrade your 3 or 4-speed
to a Tremec five-speed or a complete automatic to five or six-speed overdrive…
we have you covered.

Benefits:

  • Increase in fuel economy with overdrive.
  • Lower RPM’s for more drive-ability and a much quieter in-car feeling. 
  • Reduce wear on your engine & drive-train parts
  • Reduce engine temperatures, promoting a longer-lasting engine.


Experience the MDL Difference,

  • We extend the manufacturer’s warranty by an extra year…
    and add a 1-year grace period.
  • We offer the best in the industry customer service.
  • When you purchase a complete MDL Conversion Package you get, lifetime technical support.

Check out our HOW TO page, just click this link

We also Have OIL COOLERS   click this link to find out more

 

Solutions are TAILORED to your needs
with many or all of the following:

TREMEC 5 or 6-Speed Transmission with Shifter

The MDL 68-72 GTO 5 & 6 Speed Conversions are as complete as possible.
You get ALL the components you need where competitors’ packages provide only the basics.
When comparing costs be sure you are comparing apples to apples on the contents, quality & after the order service.




TKX Five Speed Single Overdrive Conversion up to 750hp

For higher torque applications or you’re a ‘spirited driver,’ the TKX series five-speed is the latest offering from Tremec
check out these stats.

Rated for 600lb/ft of torque, will support shifting up to 8000rpm thanks to triple cone hybrid sintered synchronizers that the Tremec T56 Magnums have to make your driving experience the best.

The new end loading design makes for a stronger case with a new sleeker profile, eliminating top covers, that would have restricted room in the tunnel.

 

V8 Speed & Restoration Shop talks about installing the TKX and its benefits

 

   

Above you can see the differences between the TKO & TKX cases.

      

Above are the MDL modified TKX, especially for ’68-72′ GTO placing your shifter in stock OE manual position.
Great for factory manual console fitment.

Click here to see what’s different

 

The TKX offers a little more adjustment approx. 5/8″ at the tail shaft vertically for the driveline angle. Perfect for Pro-Streeters who love to tuck the rear suspension up into their ride

 

Most Components are IN STOCK

Click or call for a customized quote for your requirements.
  208-453-9800

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