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Old 12-22-2008 | 01:11 PM
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Question G28/07

Hey guys & girls !

What type of 5-speed is this?
Old 12-22-2008 | 01:20 PM
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Looks like 83 S - (Euro) 5-Speed Man G28/07 11D 0001>5000 , with a 2.73 rear end.

928GT.com
Old 12-22-2008 | 01:25 PM
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Hey Jim!

I knew the gear box that came with car was wrong, but THIS WRONG I plan to change the bearings, and sell it. Any idea what it could be worth?
Old 12-22-2008 | 01:31 PM
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Hi V8 Man,
What's wrong about it? That's a good tranny.
Old 12-22-2008 | 06:47 PM
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Hey again Jim

It`s just that my car is a 91 If I`m not mistaken I want/need a G28/12 or a G28/55 unit. Anyone got one for sale?
Old 12-22-2008 | 06:51 PM
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Originally Posted by Jadz928
Hi V8 Man,
What's wrong about it? That's a good tranny.
It's not bad except for the puny synchros Bummer that your late model came with it.

Dan
'91 928GT S/C 475hp/460lb.ft
Old 12-22-2008 | 07:10 PM
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Hey Dan !

My car was basically a parts car when I bought it. It`s fairly complete but without an engine, and some mixed & matched parts here and there

Is it possible to upgrade the differntial on the G28/07 with LSD?
Old 12-22-2008 | 07:11 PM
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I waited nearly 3 years to fine a G28/13 w/ LSD to stuff into my '81 OB

Originally Posted by V8 Man
Hey Dan !

My car was basically a parts car when I bought it. It`s fairly complete but without an engine, and some mixed & matched parts here and there

Is it possible to upgrade the differntial on the G28/07 with LSD?
I happen to have a working G28/08 w/ LSD in the box ready to ship for $950 USD plus shipping costs. I pulled it out of my '81 and it was an upgrade from the original G28/05 that she came with ...
Old 12-22-2008 | 07:13 PM
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Originally Posted by V8 Man
Hey Dan !

My car was basically a parts car when I bought it. It`s fairly complete but without an engine, and some mixed & matched parts here and there

Is it possible to upgrade the differntial on the G28/07 with LSD?
I'm pretty sure you can add LSD to any 928 transmission without much trouble. In fact, I think Carl at 928 Motorsports now sells a kit for this. But then you would still be stuck with the old crappy synchros. Even if you ripped the tranny apart and installed new ones, they would not last that long if you like to shift fast.

Dan
'91 928GT S/C 475hp/460lb.ft
Old 12-22-2008 | 07:25 PM
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Originally Posted by Andre Hedrick
I waited nearly 3 years to fine a G28/13 w/ LSD to stuff into my '81 OB


I happen to have a working G28/08 w/ LSD in the box ready to ship for $950 USD plus shipping costs. I pulled it out of my '81 and it was an upgrade from the original G28/05 that she came with ...
Thanx, that sounds like a fair price, but I will try to find one a bit closer to Norway. If all fails I`ll contact you. Do you think it would be a good choice for racing?

Originally Posted by dprantl
I'm pretty sure you can add LSD to any 928 transmission without much trouble. In fact, I think Carl at 928 Motorsports now sells a kit for this. But then you would still be stuck with the old crappy synchros. Even if you ripped the tranny apart and installed new ones, they would not last that long if you like to shift fast.

Dan
'91 928GT S/C 475hp/460lb.ft
I guess shifting fast is something you want to able to do when you go racing, right
Old 12-22-2008 | 07:52 PM
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Originally Posted by V8 Man
Thanx, that sounds like a fair price, but I will try to find one a bit closer to Norway. If all fails I`ll contact you. Do you think it would be a good choice for racing?
NO!!!!!

Find a G28/10 or newer.
Old 12-22-2008 | 08:31 PM
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Originally Posted by Andre Hedrick
NO!!!!! Find a G28/10 or newer.
So much for your "Cold Blooded Salesman of the Year" award.

Last edited by Charley B; 12-23-2008 at 04:36 PM.
Old 12-22-2008 | 10:26 PM
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Originally Posted by Charley B
So much for your "Cold Blodded Salesman of the Year" award.
I would never lie to another rennlister There is always the first time, but not today!
Old 12-23-2008 | 04:30 AM
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V8 MAN, go for a surch for a '85 or newer transaxle... don't care for the LSD... as you better install a set as from 928M.... i did, must still install the set, but wanne try first the bought '88 gearbox . Seems those 'better' boxes have a worse LSD... only 20 % ?
Old 12-23-2008 | 04:53 AM
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Originally Posted by belgiumbarry
Seems those 'better' boxes have a worse LSD... only 20 % ?
I have had two BMW's with 25% ZF LSD. Every working later 928 LSD I have seen have had clearly tighter feel than those BMW setups. I simply don't buy this 20% thing no matter what anyone says unless some clear documentation can be found which proves it. Its true that late LSD can't be rebuild to 80% by changing parts like early style can but thats different thing. In any case, even 20% is better than nothing and much above 40% is too much.


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