I have a 3.07 in my 300TD and with the mountain driveways we have to climb, I'd like to give the wagon some mountain goat gears. We rarely ever go 70mph. There is never a strong enough breeze at our back.

If anyone has one, thanks in advance.

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83 300TD (need rear wiper assembly dead or alive)
84 300SD Daily driver
85 300TD almost 400k miles and driven daily.
98 E300D *sold
86 300SDL *sold and made flawless 10 hour journey to new home.