I have a 300SD with a good engine and a bad tranny. I found a car that is in pretty good condition that is a W123 fours speed manual that possibly has a bad engine for cheap. Is it possible to mate a 300 turbo diesel to a 4 speed tranny and will the bigger engine fit in the engine compartment? thanks, stephen

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68 250s SOLD
78 300d non turbo SOLD
1980 240d manual SOLD
1981 300SD 360,000 miles I think she's doomed for a parts car but has a good engine SOLD the engine to spamman
1977 300d non turbo SOLD
1985 300SD california car
1978 240D Manual

It has been done, but will require modifications. search on the forum for 4 speed swaps, and you will find a lot of answers.

I think there was a recent thread where someone was swapping a 4speed into a 300SD.

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Grey '91 350SDL 214k Dad's car
Beige '81 240D 4 Speed 254k SOLD
Blue '82 300D 225k SOLD
White '95 E300D 46k SOLD
Blue '87 190D 2.5 Turbo 315k SOLD
Brown '80 240D 4 Speed 716k SOLD
Beige '80 300D N/A 119k SOLD
Blue '85 300D Model 186k T-Boned

This cat has a very rare 300SD with a stick.

http://www.peachparts.com/shopforum/showthread.php?t=169206

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91 350SD
14 F150 Eco
19 Fusion Hybrid
11 GT500

I saw that. that is pretty cool! I want to put the 300turbo in the W123. I have noticed alot of people doing it the other way around. that requires new drive shaft and other modifications. I just want to know if i can swap the engine in the W123 and if it will fit or not.
-Stephen

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68 250s SOLD
78 300d non turbo SOLD
1980 240d manual SOLD
1981 300SD 360,000 miles I think she's doomed for a parts car but has a good engine SOLD the engine to spamman
1977 300d non turbo SOLD
1985 300SD california car
1978 240D Manual

Is the w123 a 240D or a 300D? If it is a 300D, the OM617 is interchangeable between them except for a few parts like engine mount arms.

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RRGrassi


70's Southern Pacific #5608 Fairmont A-4 MOW car

13 VW JSW 2.0 TDI 193K, Tuned with DPF and EGR Delete.

91 W124 300D Turbo replaced, Pressure W/G actuator installed. 210K

90 Dodge D250 5.9 Cummins/5 speed. 400K

It is a 1977 W123 240D...what does OF mean?

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68 250s SOLD
78 300d non turbo SOLD
1980 240d manual SOLD
1981 300SD 360,000 miles I think she's doomed for a parts car but has a good engine SOLD the engine to spamman
1977 300d non turbo SOLD
1985 300SD california car
1978 240D Manual

It means his left index finger slipped and hit the "F" key when he meant to hit the "R" key.

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1984 300 Coupe TurboDiesel
Silver blue paint over navy blue interior
2nd owner & 2nd engine in an otherwise
99% original unmolested car
~210k miles on the clock

1986 Ford F250 4x4 Supercab
Charcoal & blue two tone paint over burgundy interior
Banks turbo, DRW, ZF-5 & SMF conversion
152k on the clock - actual mileage unknown

I meant to say If...sorry two finger typing skills I possess. It has been edited.

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RRGrassi


70's Southern Pacific #5608 Fairmont A-4 MOW car

13 VW JSW 2.0 TDI 193K, Tuned with DPF and EGR Delete.

91 W124 300D Turbo replaced, Pressure W/G actuator installed. 210K

90 Dodge D250 5.9 Cummins/5 speed. 400K

Forced Induction and bkkast has put a turboed OM 617 into a 240 shell.

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RRGrassi


70's Southern Pacific #5608 Fairmont A-4 MOW car

13 VW JSW 2.0 TDI 193K, Tuned with DPF and EGR Delete.

91 W124 300D Turbo replaced, Pressure W/G actuator installed. 210K

90 Dodge D250 5.9 Cummins/5 speed. 400K

I know that anything is possible....but at what cost and effort? Is Forced Induction still on this forum? I thought he was banned...i sure hope not.

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68 250s SOLD
78 300d non turbo SOLD
1980 240d manual SOLD
1981 300SD 360,000 miles I think she's doomed for a parts car but has a good engine SOLD the engine to spamman
1977 300d non turbo SOLD
1985 300SD california car
1978 240D Manual

Forced is still around. If you have a 300D parts car, you can to the swap easily to get the few 300D specific parts, like engine mount arms, oil pressure sender, inst cluster, etc.

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RRGrassi


70's Southern Pacific #5608 Fairmont A-4 MOW car

13 VW JSW 2.0 TDI 193K, Tuned with DPF and EGR Delete.

91 W124 300D Turbo replaced, Pressure W/G actuator installed. 210K

90 Dodge D250 5.9 Cummins/5 speed. 400K

If i am just replacing the engine in a W123 240d 4 speed manual with a 300sd motor...I dont need a new instrument cluster. and the pressure sender is in place of the hose that goes to the mechanical guage on the cluster. I understand that I would need new arms..but those i can get easily from the pick n pull. I dont need a new drive shaft if the original one from the 240d is ok, unless the engine is so much longer that the D.S. bottoms out and has no play. my main concern is will the bell housing's bolt match the trans of a 240d? and will the drive shaft need to be replaced or not.

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68 250s SOLD
78 300d non turbo SOLD
1980 240d manual SOLD
1981 300SD 360,000 miles I think she's doomed for a parts car but has a good engine SOLD the engine to spamman
1977 300d non turbo SOLD
1985 300SD california car
1978 240D Manual

The drive shaft and shifter linkages from both cars are not the right length. You have to shorten the 240d driveshaft.

He was just grounded for a while.

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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.

I think what stephen is saying is that he wants to plop a 617 into a manual 123 240d, without moving the manual transmission, linkage, or driveshaft.

I do not know if that would work tho. wouldn't the 617 mounts not line up with the cars mounts?

Someone educate me.

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1979 240D with a 617 turbo diesel.