w108 transmission swap options ? - Mercedes-Benz Forum

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post #1 of 2 (permalink) Old 09-19-2006, 05:52 PM Thread Starter
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Date registered: Sep 2006
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w108 transmission swap options ?

I'm enjoying my newly acquired 69 280SE coupe, except the high rpm at highway speeds with the 4 speed auto. I do not want to switch a manual tranny. Are there any overdrive transmissions from later models that would be possible swap candidates ?
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post #2 of 2 (permalink) Old 09-24-2006, 04:51 AM
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Put simply...NO. The rare option of five speed tranny had a low ratio diff as part of the package.
Your best bet is to find a 3.5 diff ,and fit the crown wheel and pinion to your diff.that will give a higher ratio.Second best option is to fit 15 or 16" wheels with high profile tires.That will gear up the final drive and reduce the engine speed.But don't forget,the Merc engine does rev all the way to red line,way beyond the speed limit.
This's a Five speed trans to fit your car.

Buy it here...
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