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#1
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617 into 123 240D?
What is the effort involved in swapping a 617 into a W123 240D MT? Does a 617 drop right in on does the transmission have to move aft so the mounts align with the frame?
Sixto 87 300D |
#2
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everything has to move back one cylinder length...
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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread "as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do! My drivers: 1987 190D 2.5Turbo 1987 190D 2.5Turbo 1987 190D 2.5-5SPEED!!! 1987 300TD 1987 300TD 1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere! |
#3
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it's pretty simple if you have access to a 300 for parts swap...
lemme know if you need anything!
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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread "as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do! My drivers: 1987 190D 2.5Turbo 1987 190D 2.5Turbo 1987 190D 2.5-5SPEED!!! 1987 300TD 1987 300TD 1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere! |
#4
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It's a mental exercise to determine whether it's more work and parts scrounging to convert a 300D to MT or a MT 240D to 5 cylinders. I hear things like Euro tail housings and shortening prop shafts which no shop wants to do. Avoiding such things is worth a few more hours of wrenching to me.
Sixto 87 300D Sixto 87 300D |
#5
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MT?
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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. |
#6
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there were three HP ratings on the OM616... 1) Not much power 2) Even less power 3) Not nearly enough power!! 240D w/auto Anyone that thinks a 240D is slow drives too fast. 80 240D Naturally Exasperated, 4-Spd 388k DD 150mph spedo 3:58 Diff We are advised to NOT judge ALL Muslims by the actions of a few lunatics, but we are encouraged to judge ALL gun owners by the actions of a few lunatics. Funny how that works |
#7
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Either way it is a little work.
4 spd in a 300D. have to add the peddles, Manual FW and get it match balanced. clutch disc and pressure plate, throw out bearing and pilot bearing. add the manual shifter, shorten the 3 shift rods, shorten the DL and have it balanced. Use the front DL from a 240 and have it shortened. Use the trans X mount from a 240 auto. South Bay DL in San Jose will to the MB DL. 300D engine to a 240D. just have to move the trans back, shorten the DL, add the 240 auto X mount. and add the 300D radiator, oil cooler and expansion tank. Might want to use a higher gear ratio differential. the 240 uses the 3:69. maybe a 3:07 or a 2:88. Charlie
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there were three HP ratings on the OM616... 1) Not much power 2) Even less power 3) Not nearly enough power!! 240D w/auto Anyone that thinks a 240D is slow drives too fast. 80 240D Naturally Exasperated, 4-Spd 388k DD 150mph spedo 3:58 Diff We are advised to NOT judge ALL Muslims by the actions of a few lunatics, but we are encouraged to judge ALL gun owners by the actions of a few lunatics. Funny how that works |
#8
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LutzTD has done quite a bit of investigation into prop shaft lengths so contact him for the good part numbers and lengths.
You'll probably need a different transmission mount cross member as well... and then don't forget the final gearing on the diff...
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1992 W201 190E 1.8 171,000 km - Daily driver 1981 W123 300D ~ 100,000 miles / 160,000 km - project car stripped to the bone 1965 Land Rover Series 2a Station Wagon CIS recovery therapy! 1961 Volvo PV544 Bare metal rat rod-ish thing I'm here to chat about cars and to help others - I'm not here "to always be right" like an internet warrior Don't leave that there - I'll take it to bits! |
#9
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I'd say the tranny conversion is simpler but not by a large margin.
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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. |
#10
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Shortening the driveshaft is inevitable regardless of which way you do it. Maybe you can snag a stock MT 300D one off ebay.de or something. Whats a euro tail housing?
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#11
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My understanding is that you'll also want a proper flywheel from a Euro 300D if you can get it. That would a little trickier. The Euro MT flywheel would be heavier to account for the extra cylinder. The lighter flywheel of the 240D would make for a conversion with more vibration, etc.
Sincerely, PE
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83 240D - 4 speed manual - Manilla Beige 189K miles, Tachometer mod, cool wooden shift knob from PeachParts, CocoMats, Original factory paint, manual windows, manual sunroof. Starting to add AudioWrap to this car too! |
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