Regarding the ERA patch box, does that box work with a W126? I am getting ready to install a set of twin turbos in my 300SEL and will be changing out the 3.46 diff so I can keep tires on the car over a week.

My initial thought was to just get a diff from a 560SEL and do a direct replace since it has 2.47 and the twin turbos will more than take up the lag w/300 hp on deck. The 2.47 will also let me cruise at highway speeds at less than 3500-4000rpm which gives only 22mpg.

Does this make sense?

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McBear
Kentucky

1992 500E -- 1993 500E -- 1993 500E -- 1988 560SEC AMG
1992 300E -- 1988 300SEL TT -- 1980 280SL -- 1968 280SE

I need a Twelve Step Program...or a Twelve Car Garage!