old_
old_ Reader
7/24/14 10:10 p.m.

http://mankato.craigslist.org/cto/4582428951.html

NMNA

bgkast
bgkast GRM+ Memberand SuperDork
7/25/14 9:01 a.m.

Having owned about 15 Mercedes Diesel powered Mercedes I shudder to think how slow that thing must be.

And 32 mpg? That's a steaming pile of male bovine fecal matter. The MBs don't get anywhere close to that and don't have the aerodynamics of a small house.

windsordeluxe
windsordeluxe New Reader
8/7/14 10:57 p.m.

Looks like a really clean conversion. That combo might actually get what the owner claims in empeegees the XJ probably weighs less than the donor MB and based on my personal experience with a W123, I was doing better. It was a manual which may have helped my cause.

I miss that car.....off to look at 3 pedal diesel W123 wagons!

Kenny_McCormic
Kenny_McCormic PowerDork
8/7/14 10:59 p.m.

I might believe 32mpg, at 45mph on level ground.

Swank Force One
Swank Force One MegaDork
8/7/14 11:53 p.m.

Guys, that truck is WAY lighter than the car the motor came out of.

Kenny_McCormic
Kenny_McCormic PowerDork
8/8/14 2:10 a.m.

In reply to Swank Force One:

Only a few hundred pounds actually(~3200 vs ~3600), and with a lot more driveline losses with 4wd and a chevy automatic, plus frontal area and general aerodynamics of a 4x4 SUV(vs the best engineered car ever). 30mpg is a pretty lofty estimate in the donor car, I fail to see how putting it in a truck would make it more efficient.

Swank Force One
Swank Force One MegaDork
8/8/14 6:18 a.m.

I've touched 22mpg with our 4.0/aw4/4wd XJ on the highway and can't fathom how a small diesel wouldn't add 8-10mpg.

Either way... cool truck and if it were a manual somehow i'd probably be looking hard at it.

bgkast
bgkast GRM+ Memberand SuperDork
8/8/14 9:27 a.m.

I put my W123 on corner scales once. It was a stripper (manual everything), and weighed 3000 lbs if I recall correctly. No way in hell that thing gets over 30 mpg.

drainoil
drainoil Reader
8/13/14 4:39 p.m.
bgkast wrote: I put my W123 on corner scales once. It was a stripper (manual everything), and weighed 3000 lbs if I recall correctly. No way in hell that thing gets over 30 mpg.

Even if it did, with the extra cost of diesel vs gas, you likely don't come out ahead financially for some time.

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