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1983 300d turbo 249k (benzoil), 1983 300sd 188k, 1990 560sel 175k, 1985 380se 290k 1990 560sel
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76 Posts
Discussion Starter #1
i was wondering if any one new if and what the difference of the gear ratios's on the rea end (diff) betwen an 83 300d and an 85 300d ?
 

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'89 300E Turbo project, ‘85 Audi Coupe Quattro, ‘71 BMW turbo 2002, '73 BMW 2002tii, ‘67 Kaiser M725
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17,725 Posts
1985 is 1:2.88

1983 is 1:3.07
 

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Registered
1984 300CD, 1983 240TD Euro
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2,651 Posts
From an old thread...

MTUpower said:
Here's the ratio's

R107
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380SL,SLC RATIO 1:2.47

380SL,SLC,560SL RATIO 1:2.47 ABS

450SL,SLC RATIO 1:2.65

450SL,SLC RATIO 1:3.06

W116
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280S,SE RATIO 1:3.69

300SD RATIO 1:3.07

450SE.SEL RATIO 1:3.06

450SE.SEL RATIO 1:2.65

W123
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230,240D RATIO 1:3.69

280E RATIO 1:3.58

300D RATIO 1:3.46 This is the NA

300DT 85 RATIO 1:2.88 This is the turbo 85

300DT TO 84 RATIO 1:3.07 This is the turbo before 85

W126
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300SD 85 RATIO 1:2.88 ABS

300SD TO 85 RATIO 1:3.07

300SDL RATIO 1:2.88 ABS

300SE,SEL RATIO 1:3.46

380,500 RATIO 1:2.47

380,500,560SEL RATIO 1:2.47 ABS

420SEL RATIO 1:2.47

W124
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260E RATIO 1:3.27

300D 1987 RATIO 1:2.65

300E RATIO 1:3.07


http://www.benzworld.org/forums/w123-e-ce-d-cd-td-te-class/1193747-84-300cd-diff-gear-ratios.html?highlight=gear+ratios
 

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Mercedes 300te
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1,970 Posts
Just wondering if its worth it to keep the diif. for the '79 280e ?
 

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Registered
1983 300d turbo 249k (benzoil), 1983 300sd 188k, 1990 560sel 175k, 1985 380se 290k 1990 560sel
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76 Posts
Discussion Starter #7
so would it be a good idea to swap the diff from my wrecked 85 into my project 83 and what would it change? what is the good or bad ????????? economy ? speed?
 

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'89 300E Turbo project, ‘85 Audi Coupe Quattro, ‘71 BMW turbo 2002, '73 BMW 2002tii, ‘67 Kaiser M725
Joined
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17,725 Posts
tandm1999 said:
so would it be a good idea to swap the diff from my wrecked 85 into my project 83 and what would it change? what is the good or bad ????????? economy ? speed?
Slower acceleration,higher top end speed but not all that significant.
 
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