 LSD transmission question |
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Model Specific Information
914/4: 70 71 72 73 74 75 76 914/6: 70 71 72
| Gustl |
  May 7 2009, 11:05 AM
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#1
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914 enthusiast & historian  Group: Members Posts: 11,699 Joined: 16-June 04 From: TIROL / Austria Member No.: 2,212 Region Association: Austria   |
o.k. folks, here's my question:
could an original 914-6 transmission with the factory option M220 (limited slip differential) be identified by the transmission number ??? I know the difference at the 914-4 transmission: HAxxxxx ... 5 speed standard HBxxxxx ... 5 speed LSD any input is highly appreceated (IMG:style_emoticons/default/bye1.gif) Gustl |
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Replies
| Katmanken |
May 10 2009, 09:33 AM
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#2
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You haven't seen me if anybody asks... Group: Members Posts: 4,738 Joined: 14-June 03 From: USA Member No.: 819 Region Association: Upper MidWest |
According to the factory parts manual, the answer is maybe....
1. A 914-6 tranny has a part number of 914.300.012.03 with the -6 gear ratios inside. All trannys for a 914-6 would be drawn from that supply during a factory build. For some reason, the parts book has a column called denomination which has another number for a 914-6 "transmission complete" of 914.300/01 2. The LSD was an option. The parts book has a series of columns labeled "Stuck pro Typ" and it says that the LSD was for "Alle" except the sportomatic. 3. To the left of the "Stuck pro Typ" columns is a column called "Symbol" and under that collumn is the symbol "M". That must be how the factory differentiated "alle" transmissions with the LSD. Now why the Symbol "M" is used by the factory to identify the LSD, and why the factory used the stamped HBxxxxx designation for the change is a mystery. Has anyone checked a factory built LSD transmission for the symbol "M"???? Ken |
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| Gustl |
May 10 2009, 11:30 AM
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#3
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914 enthusiast & historian Group: Members Posts: 11,699 Joined: 16-June 04 From: TIROL / Austria Member No.: 2,212 Region Association: Austria |
QUOTE(kwales @ May 10 2009, 04:33 PM)  Has anyone checked a factory built LSD transmission for the symbol "M"???? thanks Ken this would lead me to the question - is there anybody with a factory original 914-6 LSD transmission (M220) ?? if so, could we get photos of the transmission number - or / and this symbol "M" would also like to where this symbol "M" is located? sounds interesting ... |
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Posts in this topic
Gustl LSD transmission question May 7 2009, 11:05 AM
9146986 I don't know if it applies to 6's, but 4... May 9 2009, 12:43 PM davep At least by the 1980's the 915 transmissions h... May 10 2009, 10:13 AM kwales What's on the aluminum tag????
The symbol ... May 12 2009, 12:21 PM
HaraldD Hi!
Here is one of a original 914-6 Tranny wit... May 13 2009, 12:09 PM Gustl thanks Harald :worship: :worship: :worship:
... May 13 2009, 02:38 PM davep Since the later 911 transmissions used a 12 to des... May 18 2009, 06:23 PM Gustl
Since the later 911 transmissions used a 12 to de... May 18 2009, 11:22 PM Richard Casto I have put together a wiki page about the 914 tran... May 18 2009, 07:15 PM Tom_T
I have put together a wiki page about the 914 tra... May 26 2009, 07:06 PM davep Ah, excellent information. I wonder what '11... May 21 2009, 09:12 AM Gustl the logical consequence would be 70/30 ... but I d... May 21 2009, 03:13 PM |
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