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87+ manual transmission destruction, rebuilding, discussion etc....

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Old 08-14-2018 | 09:30 AM
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Originally Posted by Vilhuer
If it has to be 928 get GTS box or at least include oil pump setup to older box.
Can you sell me one or two of those G28.57’s? ;-)
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Old 08-14-2018 | 09:53 AM
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Originally Posted by SwayBar
Tuomo, this is the way to go with your TT.

Best bet would be the C7 Z06 7-speed which is mated to a 650hp FI engine, so at least twice the strength of a 928 box.
I have that box and have just bought a 3D scanner to do the measurements, however my problem is I have many many jobs....
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Old 08-14-2018 | 11:10 AM
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Originally Posted by ptuomov
Can you sell me one or two of those G28.57’s? ;-)
Yes I can sell one 150k km's driven which has all new bearings, syncros and 5th gear but you can't afford it!!!
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Old 08-14-2018 | 11:14 AM
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Originally Posted by Vilhuer
Yes I can sell one 150k km's driven which has all new bearings, syncros and 5th gear but you can't afford it!!!
probably not but try me
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Old 08-14-2018 | 02:30 PM
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I have a broken 28:57 I’d sell
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Old 08-14-2018 | 02:59 PM
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Just a few years ago one of our members happened to ask at the local dealership about NOS autoboxes, and found that a stash was being offered at clear-the-shelves pricing. For grins, it might be worth a look to see if any of these NOS and obsolete manual gearboxes are available similarly. Roger/Mark, you have access to worldwide Porsche inventory data. Any hiddne gems gathering dust in a warehouse or dealer inventory somewhere?
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Old 08-14-2018 | 05:17 PM
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Originally Posted by Mark Anderson
I have a broken 28:57 I’d sell
Hi Mark,
What’s wrong with it?
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Old 08-14-2018 | 06:03 PM
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Originally Posted by slate blue

Hi Mark,
What’s wrong with it?
broken 5th gear and missing



the diff.
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Old 08-14-2018 | 06:50 PM
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Whats the going price for manual boxes these days? I have 2, one LSD and one not
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Old 08-14-2018 | 07:54 PM
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Originally Posted by BauerR
Whats the going price for manual boxes these days? I have 2, one LSD and one not
It would help if you listed year/model/miles.
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Old 08-14-2018 | 10:22 PM
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Originally Posted by SwayBar
It would help if you listed year/model/miles.
'87 Non LSD, 61k miles, '88 LSD, 92k miles
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Old 08-15-2018 | 03:11 PM
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Originally Posted by BauerR
'87 Non LSD, 61k miles, '88 LSD, 92k miles
Is the ‘88 LSD transmission still with the turbo-friendly 2.20 rear end and conventional non-psd differential? Just checking.
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Old 08-15-2018 | 03:20 PM
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I don't think that came to pass for another year or two
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Old 08-15-2018 | 03:22 PM
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Tuomo,

Auto boxes are amazingly turbo-friendly. I'm more than casually surprised that you are testing the mettle/metal of a factory manual gearbox as part of your TT project.
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Old 08-15-2018 | 03:30 PM
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Originally Posted by dr bob
Tuomo,Auto boxes are amazingly turbo-friendly. I'm more than casually surprised that you are testing the mettle/metal of a factory manual gearbox as part of your TT project.
My preference is for a manual gear box. Plus in any case it’ll be one more thing for me to learn and understand and see if it can be made to work.
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