Friday time-killer: 928 Engine-Transmission Production Numbers, 1982-1995
#1
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The recent kerfuffle about M28.11/12 motors for sale got me to thinking about exactly how uncommon they may be. And I had two hours to kill while all three kids were getting the biannual dental maintenance. Which led to some tedious editing and COUNTIFfing in Excel.
I don't recall seeing this data presented in this manner before, perhaps I missed it. Anyway, it's a list of the production numbers of each engine and transmission type from 1982 to 1995 (AFAIK the data doesn't exist for '78-81) . There are a few glitches in the dataset where there was no engine code info for a given car (or where there was just a 'C' or an 'M'), and a couple of cars with 'automatic' engines mated to a 5-speed, which may be real or is just a typo.
You can see the 9 Clusbport cars (M28.41/G28.55), for instance.
Should be self-explanatory, some combos are US. only, some are ROW-only, some are both.
If anyone really cares, it would be relatively simple to break it out by country of origin for the ROW cars, but I doubt anyone cares.![Smilie](https://rennlist.com/forums/images/smilies/smile.gif)
Anyway, FWIW:
I don't recall seeing this data presented in this manner before, perhaps I missed it. Anyway, it's a list of the production numbers of each engine and transmission type from 1982 to 1995 (AFAIK the data doesn't exist for '78-81) . There are a few glitches in the dataset where there was no engine code info for a given car (or where there was just a 'C' or an 'M'), and a couple of cars with 'automatic' engines mated to a 5-speed, which may be real or is just a typo.
You can see the 9 Clusbport cars (M28.41/G28.55), for instance.
Should be self-explanatory, some combos are US. only, some are ROW-only, some are both.
If anyone really cares, it would be relatively simple to break it out by country of origin for the ROW cars, but I doubt anyone cares.
![Smilie](https://rennlist.com/forums/images/smilies/smile.gif)
Anyway, FWIW:
Code:
Engine Trans ROW USA Auto 5-speed C 8 6 2 M 3 65 65 3 M28.09 G28.05 218 218 M28.10 A22.01 230 230 M28.11 G28.05 1498 1498 M28.12 A22.04 1861 1861 M28.15 G28.05 1057 1057 M28.16 A22.01 1571 1571 M28.19 G28.08 1518 1518 M28.20 A28.01 3573 3573 M28.21 G28.07 1728 1728 M28.22 A28.02 (1984) 1248 1248 M28.22 A28.03 (1984) 72 72 M28.22 A28.05 (1985) 558 558 M28.22 A28.05 or 06 (1985) 93 93 M28.22 A28.06 (1985) 769 769 M28.22 A28.08 (1986) 364 364 M28.22 A28.09 (1986) 637 637 M28.41 A28.13 4 4 M28.41 A28.14 1 1 M28.41 G28.12 1845 200 200 M28.41 G28.13 1015 1015 M28.41 G28.55 9 9 M28.42 A28.12 445 3202 3647 M28.42 A28.13 2 2 M28.42 A28.14 2969 2969 M28.42 A28.16 4599 1429 6028 M28.42 G28.13 2 2 M28.43 G28.11 1424 1424 M28.44 A28.04 ('85-'86) 2023 M28.44 A28.07 1470 M28.45 G28.10 109 M28.46 A28.11 306 306 M28.47 G28.55 1677 405 2082 M28.49 G28.57 482 163 645 M28.50 A28.18 2016 243 2259
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Does it have the "Do It Yourself" manual transmission, or the superior "Fully Equipped by Porsche" Automatic Transmission?
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Does it have the "Do It Yourself" manual transmission, or the superior "Fully Equipped by Porsche" Automatic Transmission?
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928 Owners are ".....a secret sect of quietly assured Porsche pragmatists who in near anonymity appreciate the prodigious, easy going prowess of the 928."
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#5
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Hi there,
First I guess I should introduce me as it is my first message. Briefly, I'm a Porsche fan that had a Boxster S, a 997S, a 997 TT and now I 'just' have a 996 C4S and a 993 C2 Cabrio. Clearly I'm moving to classics / youngtimers and that's why I'm looking for a 928.
Well, now the question. In my searching, I wanted a 928GT, and I contacted with a guy that said to have one. In the vehicle specs appears like a S4, however the sticker shows combination engine / gearbox M28.41 / G28.55, that following this post doesn't fit neither S4 or GT. So, could be a CS unit? Somebody knows how can I identify it?
Thank you very much in advance and happy to be in the community!
Ferri
First I guess I should introduce me as it is my first message. Briefly, I'm a Porsche fan that had a Boxster S, a 997S, a 997 TT and now I 'just' have a 996 C4S and a 993 C2 Cabrio. Clearly I'm moving to classics / youngtimers and that's why I'm looking for a 928.
Well, now the question. In my searching, I wanted a 928GT, and I contacted with a guy that said to have one. In the vehicle specs appears like a S4, however the sticker shows combination engine / gearbox M28.41 / G28.55, that following this post doesn't fit neither S4 or GT. So, could be a CS unit? Somebody knows how can I identify it?
Thank you very much in advance and happy to be in the community!
Ferri
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Hi Ferri, welcome!
There are only 9 928's with the combination of M28.41 and G28.55. 4 in Germany, 2 in France, 1 from Austria, 1 from Britain and 1 from Spain.
The Spanish car is an '89. What's the VIN of the car you're looking at?
There are only 9 928's with the combination of M28.41 and G28.55. 4 in Germany, 2 in France, 1 from Austria, 1 from Britain and 1 from Spain.
The Spanish car is an '89. What's the VIN of the car you're looking at?
#7
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Hi Rob,
Thank you so much for your response. Unfortunately I don't have the VIN, because I just took a picture focused on codes, but I can ask for it. It is a chance to find out if is a CS with VIN? I've read in some posts that they are in same series that S4.
Thanks again and best
Ferri
Thank you so much for your response. Unfortunately I don't have the VIN, because I just took a picture focused on codes, but I can ask for it. It is a chance to find out if is a CS with VIN? I've read in some posts that they are in same series that S4.
Thanks again and best
Ferri
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#8
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Here's the results of a search on the CS engine/trans combo from the new OC web page and Registry coming soon. Thanks to Rob for his help in this.
![Name: cs filter.JPG
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![Name: CS.JPG
Views: 4289
Size: 81.8 KB](https://rennlist.com/forums/attachments/928-forum/837223d1400953196-friday-time-killer-928-engine-transmission-production-numbers-1982-1995-cs.jpg)
Probably is or has been a topic for another thread, but when I do a filter for Option Code 637 "Special Version "Club Sport" 88" I get 7 of the 9 CS cars above and an additional 12 cars with G28.12 or G28.13 gearboxes.
![Name: cs filter.JPG
Views: 2093
Size: 23.9 KB](https://rennlist.com/forums/attachments/928-forum/837217d1400951646-friday-time-killer-928-engine-transmission-production-numbers-1982-1995-cs-filter.jpg)
![Name: CS.JPG
Views: 4289
Size: 81.8 KB](https://rennlist.com/forums/attachments/928-forum/837223d1400953196-friday-time-killer-928-engine-transmission-production-numbers-1982-1995-cs.jpg)
Probably is or has been a topic for another thread, but when I do a filter for Option Code 637 "Special Version "Club Sport" 88" I get 7 of the 9 CS cars above and an additional 12 cars with G28.12 or G28.13 gearboxes.
#9
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Yes, somewhere in an older thread Erkka makes a comment about some CSs having G28.1X gearboxes. Not sure whether that's based on seeing the cars in person or on VIN searches.
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I've got the VIN, so it is not in the table and no option code CS 637 neither GT 639, but actually is M28.41 / G28.55.... Any idea what are I'm dealing?
Last edited by Ferri; 12-13-2014 at 02:16 PM. Reason: Mistake
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1989 C00 = Germany , M28.41 G28.12
I018 Sport steering wheel with elevated hub
I139 Seat Heating - Left
I298 Prepared for unleaded fuel, manual transmission
I326 Radio, Blaupunkt Berlin IQR 88 with ARI
I383 Sport seat - left
I387 Sport seat - right
M650 Sunroof
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Thank you Arnoud,
That's right, option codes are these, but gearbox code is G28.55, how to explain that? Also I see have a double exhaust pipe, like CS or GT, not in S4
I'm confused :-(
That's right, option codes are these, but gearbox code is G28.55, how to explain that? Also I see have a double exhaust pipe, like CS or GT, not in S4
I'm confused :-(