Thread: Better gear ratio for W123 Diesel – What axle would fit ??
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  #36  
Old 12-30-2008, 11:27 PM
MTUpower MTUpower is offline
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Quote:
Originally Posted by lutzTD View Post
not sure this works out, at least not for me. I dropped my RPMs by a whole gear and I gained 2-3 city(so far) 5 hwy(estimated due to past difference, I will know when the snowbirds go home) MPG going from the 3.07 to the 2.47.

the 2.47 I have is from a w126, you just have to flip the rear mount. also, when you pull the rear make sure you keep the axles shims as they are sized to the diff.
We need a full write up thread with pics on this! I may be moving in that direction with my sonic wagon.
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