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  #16  
Old 03-20-2013, 04:31 PM
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Quote:
Originally Posted by Proctor750 View Post
It appears all three graphs depict mine as a 3.64:1 "small" diff.
It's correct.


Quote:
Originally Posted by Proctor750 View Post
So I guess now the question is what can PHYSICALLY bolt up? I imagine the flanges are the same on most of them, even with larger housings...
I'm not going to find another of mine, so I need the next best thing that's readily available. Does anyone know what will work if mine is #1 in the last list? I'm guessing I need something with the same crown wheel diameter? Anything else have 168mm?
The "small" and "mid" difeerentials have different flanges (80 mm and 90 mm - flange for driveshaft).
There are a few "small" diffs with ratios:
3.07:1
3.23:1
3.42:1
3.46:1
3.64:1
3.91:1



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Originally Posted by Proctor750 View Post
also: I am curious how it's a 3.64 yet today I noticed at 70 MPH I was turning around 2,600 RPM's...
My M3 has a 315 with 1:1 final is about 3,100 RPMS at 70 MPH...
Because w201 has 3.64:1 differential ratio and overdrive (0.799:1) 5th gear (total ratio is 2.9:1) and M3 has 3.15 and straight (1:1) 5th gear (total ratio is 3.15).

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  #17  
Old 03-21-2013, 08:59 AM
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Differential identification?
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  #18  
Old 03-21-2013, 06:00 PM
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Quote:
Originally Posted by Dr. Sternschnuppe View Post
The "small" and "mid" difeerentials have different flanges (80 mm and 90 mm - flange for driveshaft).
There are a few "small" diffs with ratios:
3.07:1
3.23:1
3.42:1
3.46:1
3.64:1
3.91:1

YAAA!!! OK What cars will have these listed small diffs with above ratios?

Once I know that I will know which car to go to at the Mercedes yard.

I looked at mine it's a 3.42
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  #19  
Old 03-21-2013, 06:10 PM
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Quote:
Originally Posted by Proctor750 View Post
I looked at mine it's a 3.42
Ups, I'm sorry - forgot about version for North America, which has:
3.42 with or w/o ABS for MY1986-1987 (crown wheel diameter 168 mm, oil volume 0,7 l).
and
3.46 with ASD and ABS for MY1987 (crown wheel diameter 185 mm, oil volume 1,1 l).


The post #14 now corrected.

Last edited by Dr. Sternschnuppe; 03-21-2013 at 06:25 PM.
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  #20  
Old 03-21-2013, 06:20 PM
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Quote:
Originally Posted by Dr. Sternschnuppe View Post
Ups, I'm sorry - forgot about version for North America, which has:
3.42 with or w/o ABS for MY1986-1987 (crown wheel diameter 168 mm, oil volume 0,7 l).
and
3.46 with ASD and ABS for MY1987 (crown wheel diameter 185 mm, oil volume 1,1 l).
So even the Manual 2.5 NON turbo m5 cars from Canada came with a 3.42? Those graphs say that the NON turbo 2.5 m5 has a 3.64...

Maybe someone has swapped in a 3.42 from a 2.2?

I'm going to cross reference the graphs and your numbers and make a list of cars I can pick from.
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  #21  
Old 03-21-2013, 06:32 PM
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According to your numbers for small diffs, and the first color coded graph I posted, any of these following cars should work. It will be a matter of what I can find at whichever gear ratio pleases me the most.

Quote:
3.07 - 190D 2.5 A

3.23 - 190D 2.0 (m4,A,m5 10/85)
190 to MF
190E (m4,A,m5 to MF)
190E 2.0 (m4, A)

3.42 - 190D 2.2

3.46 - 190D 2.5T (m5)
190 (Starting from MF)
190E 1.8 (m4,A)
190E (m5 starting from MF)
190E 2.0 (m5)
190E 2.3 (m5 starting from MF)
190E 2.5-16 (EVO II)

3.64 - 190D 2.5 (m5)
190D 1.8 (m5)

3.91 - 190D 2.0 (m5 starting from 10/85)
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  #22  
Old 03-21-2013, 07:44 PM
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Originally Posted by Proctor750 View Post
YAAA!!! OK What cars will have these listed small diffs with above ratios?

Once I know that I will know which car to go to at the Mercedes yard.
I'm sorry, this info is very heavy for perception:

3.07:
  • 124.125 A (250 D)
  • 201.126 A (190 D 2.5)

3.23:
  • 124.185 (250 TD)
  • 201.024 4-M/A or 5-M up to 08/1988 (190 E [2.0])
  • 201.024 5-M/A (190 E [2.3 US-ver.])
  • 201.122 4-M/A or 5-M up to 10/1985 (190 D [2.0])

3.42:
  • 124.020/021 up to 03/1989 (200/200 E)
  • 124.120 4-M up to 03/1989 (200 D)
  • 124.125 5-M up to 08/1985 (250 D)
  • 201.122 (190 D 2.2)
  • 201.126 version for NA, only MY1986-87 (190 D 2.5)

3.46:
  • 124.020/021 from 04/1989 (200/200 E)
  • 124.041 (200 CE, version for Italy, MY1987)
  • 124.120 4-M from 04/1989 (200 D)
  • 201.018 4-M/A (190 E 1.8)
  • 201.024 5-M from 09/1988 (190 E [2.0])

3.64:
  • 124.080/081 (200 T/200 TE)
  • 124.125 5-M from 09/1985 (250 D)
  • 124.180 (200 TD)
  • 201.018 5-M (190 E 1.8)
  • 201.126 5-M (190 D 2.5 [Std.-version])
  • 201.122 (190 D [2.0], version for Sweden, MY1988)
  • 201.122 (190 D [2.0], version for Switzerland, MY1987)
  • 124.120 (190 D [2.0], version for Switzerland, MY1987)

3.91:
124.185 5-M (250 TD)
201.122 5-M from 11/1985 (190 D [2.0])

Last edited by Dr. Sternschnuppe; 03-22-2013 at 03:55 AM.
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  #23  
Old 03-21-2013, 07:50 PM
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Quote:
Originally Posted by Proctor750 View Post
So even the Manual 2.5 NON turbo m5 cars from Canada came with a 3.42? Those graphs say that the NON turbo 2.5 m5 has a 3.64...

Maybe someone has swapped in a 3.42 from a 2.2?
Yes, the 190 D 2.5 M-5 (US/Canada-version) has 3.42. As well as the 190 D 2.2 (US-version).
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  #24  
Old 03-21-2013, 08:00 PM
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Cool this should help me find what I need. Thanks.
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  #25  
Old 03-22-2013, 12:08 AM
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Per that chart my 190e 2.3 would have a 3.46 diff....there's no way....I will check the code on it as soon as I can get under the car with no snow in the way....
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'15 GLK250 Bluetec 92k - mine - (OC-97,400)
'17 Metris(VITO!) - 18k - wifes (OC-25k)
'01 E320 Wagon - 161k - mine (OC-165,000)
'07 E350 Wagon - 136k - dad's (OC-139,500)
'01 SL500 - 58k - dad's (OC-59,000)
'16 E400 4matic Sedan - 83k - Brothers (OC-88,000)
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  #26  
Old 03-22-2013, 04:08 AM
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Per that chart my 190e 2.3 would have a 3.46 diff....there's no way....I will check the code on it as soon as I can get under the car with no snow in the way....
190 E (2.3, US-version), 201.024, MY1984-86:
  • 3.23 ("small")

190 E 2.3, 201.028, except US-version:
  • 3.27 ("mid") - 5-M up to 08/1989
  • 3.46 ("mid") - 5-M from 09/1989
  • 3.27 ("mid") - A

190 E 2.3 (US-version), 201.028:
  • 3.27 ("mid") - 5-M/A
  • 2.87 ("mid") - A, only MY1991
  • 2.85 ("mid") - A, only MY1992

Ciao!
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  #27  
Old 03-22-2013, 03:16 PM
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Quote:
Originally Posted by pawoSD View Post
Per that chart my 190e 2.3 would have a 3.46 diff....there's no way....I will check the code on it as soon as I can get under the car with no snow in the way....

Don't forget, like he said the final drive is what counts.
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  #28  
Old 03-22-2013, 03:21 PM
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Ah ha, so I do have a 2.85 as I suspected. Mine's a late '92 build.

So I have the tallest final drive with the weakest engine. Sounds like a fantasic combination I actually do like it....its quite fun to drive. I had driven it with the 2.3 gasser too, its certainly slower now....with almost half as many horses available.
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-diesel is not just a fuel, its a way of life-
'15 GLK250 Bluetec 92k - mine - (OC-97,400)
'17 Metris(VITO!) - 18k - wifes (OC-25k)
'01 E320 Wagon - 161k - mine (OC-165,000)
'07 E350 Wagon - 136k - dad's (OC-139,500)
'01 SL500 - 58k - dad's (OC-59,000)
'16 E400 4matic Sedan - 83k - Brothers (OC-88,000)
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  #29  
Old 03-22-2013, 04:33 PM
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Yeah, I'll be shooting for the 3.23 if I can find it, I start off in 2nd all the time anyways..
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  #30  
Old 05-01-2013, 08:13 PM
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So I found a small case 3.23 donor diff, but it has big discs the axles bolt to unlike mine... can someone verify the difference here and if it will work?




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