I need to get a higher gear ratio rear diff and 120 MPH speedo out of an '85-but my 300D runs much better at 75 MPH than low speeds-my weak cylinder smooths out and all you hear is that lovely roar of an M-B doing it's thing at speed-I bet these engines would last darn near forever if they only had to run hard and not limp and clatter around town-I almost think a 240D would be better for that stop & go city driving-just keep it away from that urban interstate!

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1982 300DT 190K (Diesel Purge + synthetic oil=smoothness at last!!!)
2004 Ford E-350 6.0 L PSD 227K
2006 Dodge Ram 3500 SRW HO Cummins 4X4 48RE 42K (brute force tow vehicle)
2005 Scion xB wife's rolling pop can
1993 GMC Sierra C3500 6.2 142K