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Old 02-05-2009, 09:29 PM
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Baz Baz is offline
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Join Date: Jul 2007
Location: Sydney Australia, NSW
Cobra Make, Engine: RMC with 6 litre 307KW LS2, Comp Cam, 348rwhp & 532.5 ftlb of torque with 6L80E Tiptronic Transmission
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Default 6l80e - drive shaft problems rectified

I have just updated my Gallery to indicate where we are with the build. Hopefully, Sideshow will have it running next week then it's off to the paint shop then the trimmers then engineering.

As you are probably aware, I have a brand new 6 speed 6L80E Tiptronic Auto fitted behind a new LS2 crate engine. This combination is entirely unique in a Cobra build and required the expertise of a few brilliant people to make it work. The main problems which we encountered were:-

* Getting the transmission computer to talk to the ECU.
(3 cheers for Jimmy I hope. We'll see next week, fingers crossed).

* Adapting the new drive shaft to fit into the 6L80E transmission.
(Neil Streeting and Metropolitan Drive Shafts in Granville NSW solved this expensive problem).

The main shaft through the transmission required shortening and a special yoke had to be constructed to fit into the housing at the rear of the gearbox. A new drive shaft was then constructed which contains a lubricated sliding flange. I have taken a few photos of this setup. I just hope that it works as good as it looks.



About 1" had to be removed from the Gearbox Main Spline.



The special Yoke to fit into transmission.



The new Drive Shaft.



The new Yoke fitted to the transmission.



The new tailshaft fitted to the modified yoke.



The lot bolted up to the diff. Hope it works.
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