I miscommunicated when I stated that I calibrated my odometer. I just drove with the GPS on for about 10 miles to discover that my odometer was 15% off. Then I made the mental adjustment.

If you put a differential in from a 240D, you'll have two issues: 1) much lower mileage. I'd guess around 22-24 and 2) the rpm's will be up there.

We drove ours for a couple of months with the original differential in from the 240D. Didn't like the shifting points, rpm's and mileage. The differential from the '83 300DT made a significant difference. If my memory is good, I believe it was a 1:3.07

Don

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DAILY DRIVERS:
'84 300DT 298k (Aubrey's)
'99.5 Jetta TDI IV 251k (Julie's)
'97 Jetta TDI 127k (Amber's)
'97 Jetta TDI 186k (Matt's)
'96 Passat TDI 237k (Don's
'84 300D 211k Mint (Arne- Undergoing Greasecar Conversion)

SOLD:
'82 240D 229k (Matt's - Converted-300DT w/ 4 speed