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#1
07-01-2010, 01:38 AM
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swapping transmissions
I have an 86 190d 5 speed and i'm thinking about getting an 87 300d auto. I was wondering if I coud swap the tranny from the 190 to the 300 and the tranny from the 300 to the 190 without any problems or extra parts.
Also, I was wondering if the 300d had more leg room than the 190d.. that's the main reason why I would like to buy the 300d. 
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#2
07-01-2010, 01:41 PM
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'87 300D: more leg room, more head room.
"87 300D & '86 190D 2.5: Same block, different flywheel and clutch IIRC. The auto is different for the 2.5 and 3.0, different power and torque ratings, different shift points and stall-speed, but AFAIK it will bolt up and run fine. You'll need to figure out the Bowden cable linkage, vacuum-modulator plumbing, other things.
__________________
 Gone to the dark side - Jeff
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#3
07-01-2010, 10:46 PM
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I'm doing a similar conversion with an OM616-7. I think the clutch should be the same, but you will need the manual flywheel and the drive shaft will need to be lengthened. You'll need a new or modified cross member also, I believe. Shouldn't need the bowden cable anymore and then vacuum lines can just be plugged. The interior is where it gets tricky, but I can't help you there. Do a search, this has been done before.
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1983 240D 3.0T 4-speed manual, now sold  1989 Subaru GL Wagon 5-speed Touring Edition
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#4
07-01-2010, 11:24 PM
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It's near the top in the diesel performance forum I believe.
__________________
Gone to the dark side - Jeff
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#5
07-01-2010, 11:41 PM
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Quote:
Ha Ha how sweet... drove around today... effin sweet is all I can say. In order to put a 5 spd in the '87 w124(om603) you need: Custom driveshaft Transmission cross member/support. I modified mine temporarily but plan on getting the right one soon. The 190 cross member will not work!! All the 5 spd parts from the 190. Diesel vs gas flywheel is silly since they both are the same weight. maybe a couple pounds difference  .Driveshaft is a major issue. If you want I can explain in detail or you can look at my thread in the diesel performance section.
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08 R320 CDI current Past 95 E420 87 300D Turbo 5spd 90 300TE 83 300SD 85 300TD 92 400E 85 190D
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