In a 2.88, the drive shaft rotates 2.88 times for every one revolution of the axle or wheel.

If you are only looking to change from a 3.07 to a 2.88, why don’t you just put taller tires on? Get a tire that’s 6.6% taller than stock, and you effectively are doing the same.

205/70/14 —> 225/75/14 or 225/65/16 and you are getting 7-8+% more per drive shaft rotation.

And it’s a lot easier than swapping the diff.


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Past mb: '73 450sl, '81 280slc stick, '71 250, '72 250c, '70 250c, '79 280sl, '73 450sl, parted: '75 240d stick, '69 280s, '73 450slc, '72 450sl,