Up through the 123 and 126 the diffs are very very tough. The one in my 124 did not seem up to snuff. I had to change it and it had less than 200K on it.

My other 124 which I sold to sloride is still going strong at 240K as far as I know.

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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.