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Planning a swap into a 2nd Gen Dakota....
zeeman Offline

Posts: 444
Joined: Jan 2012
Location: Idaho
RE: Planning a swap into a 2nd Gen Dakota....
(04-01-2015, 02:57 PM)Thomcat316 Wrote: I'm in the "getting information together" stages of a truck project:

Swap a diesel engine and manual transmission into a 97-04 2WD Dakota, convert the bed area to a flatbed fifth wheel, and build an ultralight fifth wheel trailer that is aero-matched to the Dakota.  Aiming for a high fuel economy RV that has a reasonable level of amenities.

My preference would be to have an engine that is useable in close-to-stock condition (don't want to be changing turbo, rebuilding IP, etc.), with a torque peak at fairly low RPM so I'm not pulling at 4K up every mountain pass.  Ideally the torque would match or exceed the stock V6's 220-235lb/ft of torque, and the peak power would be in the 150-170HP range.

I first looked at the 4BT (too heavy, too shaky, expensive), then the 4BD1/2T (too heavy, expensive), then I decided to browse Mercedes.  Where I live I can buy two running cars with OM617.951/952 or about one-and-a-half with an OM606.961/962 for less than I'd pay for the Cummins or Isuzu.  From a power standpoint I like the OM606, but I've not found a detailed walkthrough for "how to make it work in an alien body", whereas the OM617 seems to have ended up being put into everything larger than a motorcycle, with details about how-to.

Would anyone here happen to know if there's a guide out on the web somewhere that can point me to how to make the transplanted OM606 believe it's in a normal host body?  The other problem inherent in this is that I don't think I will be able to find a donor car with a manual transmission, so I will also have to learn how to get the engine to play well without its native transmission.

Help?   Smile

Your easiest and most reasonable solution would be to go with the 617 motor. Change over to a Jeep bellhousing which will bolt up to your AX-15 transmission and use adapter and your done. Just have to change to the shorter Jeep input shaft. The 606 will be a tight fit and would require a rear sump oil pan ect.......
04-25-2015, 06:02 PM
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RE: Planning a swap into a 2nd Gen Dakota.... - by zeeman - 04-25-2015, 06:02 PM

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