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  #1  
Old 07-02-2007, 02:40 PM
Wrenched User
 
Join Date: Sep 2006
Location: Seattle
Posts: 97
transmission compatibility? 1979 300sd to 1980 300d

hi--

i'm looking to swap automatic transmissions from a 1979 300sd parts car into a 1980 300d. any known issues or problems?

current status:
parts car, 1979 300sd: transmission out of car, torque converter still in car (seized engine due to broken timing chain, ouch)

destination car, 1980 300d: transmission is slipping


any help greatly appreciated!
thank you all!
-noah

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1980 300D (non-turbo, 421k miles)
1984 300TD (turbo, 305k miles)
1985 Vanagon (170k miles)
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  #2  
Old 07-02-2007, 03:03 PM
Admiral-Third World Fleet
 
Join Date: Feb 2002
Location: Central FL
Posts: 3,069
Same basic tranny, I think, 4 bolt oil pan, 722.1xx. As long as the inputs are similar, they should work OK. Maybe not optimal as it is going from turbo to not turbo. The donor transmission will start in second unless you migrate all the wiring from the 300SD to the recipient
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80 300SD (129k mi) 82 240D stick (193k mi)77 240D auto - stick to be (153k mi) 85 380SL (145k mi) 89 BMW 535i 82 Diesel Rabbit Pickup (374k mi) 91 Jetta IDI Diesel (155k mi) 81 VW Rabbit Convertible Diesel 70 Triumph Spitfire Mk III (63kmi)66 Triumph TR4a IRS (90k mi)67 Ford F-100 (??)
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  #3  
Old 07-02-2007, 10:03 PM
Wodnek's Avatar
Vintage Mercedes Junkie
 
Join Date: Jun 2004
Location: Southeast Wisconsin
Posts: 1,661
too bad you are so far away! I have a 78 trans from a 300D non turbo and both of my drivers are turbo. I would gladly trade.

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1959 Gravely LI, 1963 Gravely L8, 1973 Gravely C12
1982 380SL
1978 450 SEL 6.9 euro restoration at 63% and climbing
1987 300 D
2005 CDI European Delivery
2006 CDI Handed down to daughter
2007 GL CDI. Wifes

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