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#1
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300SD dif??????
Can anyone tell me what the dif ratio is in a 1894 30SD
I am planning to buy one tomorrow. My 84 300D had a 3.07 Is the SD the same. Hope to get an answer to night. Thanks
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1984 300SD turbo 126 "My true love" God made me an atheist and who am I to question His wisdom |
#2
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Yes it is the same. The 1985s have a 2.88 ratio, all prior years have a 3.07.
__________________
-diesel is not just a fuel, its a way of life- '15 GLK250 Bluetec 118k - mine - (OC-123,800) '17 Metris(VITO!) - 37k - wifes (OC-41k) '09 Sprinter 3500 Winnebago View - 62k (OC - 67k) '13 ML350 Bluetec - 95k - dad's (OC-98k) '01 SL500 - 103k(km) - dad's (OC-110,000km) '16 E400 4matic Sedan - 148k - Brothers (OC-155k) |
#3
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Thanks pawdSD
Not really looking forward to doing the change again. Are there any good 2.88 difs around any more?
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1984 300SD turbo 126 "My true love" God made me an atheist and who am I to question His wisdom |
#4
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Get a 2.47 they are even better and easier to find
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Current Garage 2008 Mercedes GL320 CDI 188k mi Repair/Work in progress 1994 S350 160k mi Garage Queen & prepping for repairs 2005 E320 CDI 203k mi Healthy & Daily Driver 1994 S350 357k mi Retried as parts car 1984 300TD 214k mi Blown OM617 Poss OM603 Swap?? Sold 1987 300SDL 200K+ 1994 S320 181K mi 2008 E320 Bluetec 127k mi 1999 S420 130K mi 1980 240D 360k mi 15+ Others that has come, stay and gone GONE, BUT NOT FORGOTTEN 1995 E320 SE 220k mi 1984 300SD 350k mi |
#5
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Quote:
Not too many 1894 30SD left , may have been one or two HP Did you mean 1984 300SD? they are a 3:07 also. The 85 300D and 300SD have the 2:88. The Gasser V8 have the 2:47. I pulled one out of a 85 380SE. The 86 to 91 W126 will not fit the W123, the mounting is different. 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 |
#6
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Thanks Charlie. Will the 2:47 leave the car under powered in a high wind or a highway hill?
Love to have that ratio if it will work. Has that match been made by any one as yet?
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1984 300SD turbo 126 "My true love" God made me an atheist and who am I to question His wisdom |
#7
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Depends on the engine.....we swapped a 2.47 into my dad's SD and it works well, a bit slower at highway speeds than with a 3.07, but much lower RPMS and quieter. It can still easily hold 80-85 even on a hill.
__________________
-diesel is not just a fuel, its a way of life- '15 GLK250 Bluetec 118k - mine - (OC-123,800) '17 Metris(VITO!) - 37k - wifes (OC-41k) '09 Sprinter 3500 Winnebago View - 62k (OC - 67k) '13 ML350 Bluetec - 95k - dad's (OC-98k) '01 SL500 - 103k(km) - dad's (OC-110,000km) '16 E400 4matic Sedan - 148k - Brothers (OC-155k) |
#8
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Changing from a 3:07 to a 2:88 or a 2:47 will throw off the speedometer.
Be sure to get the speedometer from the donor vehicle. the spedo is geared to the diff. It would look cool to have a 2:47 with the 160mph spedo in a SD. I think the flange on the 2:47 diff will have to be swaped from the one off the SD The gassers use a larger flange. If you go this route, then you will have to determine the friction preload on the pinion seal and bearing. www.peachparts.com/shopforum/showthread.php?t=233540 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 |
#9
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Thanks charlie. I have learned a lot on this subject in this thread.
I will swap the 2.88. I did the 2.88 swap to my 84 300D and I like very much the way it feels in town and on the highway. Should I re seal the unit or assume that the seals are good if the case is dry?
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1984 300SD turbo 126 "My true love" God made me an atheist and who am I to question His wisdom |
#10
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On this same subject...but different model....
Does anybody know which diff's are interchangeable with the 116? I have an 1980 300SD.... I love everything about the car but it really winds out at highway speeds. I have a friend who has an '85 SD that cruises at a much lower RPM. Would a swap from a 126 work into a 116? Thanks
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1980 300SD 237k 1983 300D 195k (sold) 2003 Chevy Silverado 190k |
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