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 Post subject: The Holy Grail: Limited Slip Differential
PostPosted: Wed Jan 30, 2013 11:58 am 
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Joined: Fri Dec 14, 2012 7:36 pm
Posts: 112
Model: 924s
Hi, I am after the very rare LSD for my 924s, either a factory item (option 220 I believe) or a second hand after market job.

If anyone has one or knows of one for sale, please let me know.


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 Post subject: Re: The Holy Grail: Limited Slip Differential
PostPosted: Wed Jan 30, 2013 12:14 pm 
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Joined: Sat Jan 30, 2010 11:13 pm
Posts: 14815
Location: Somerset
Model: TheOnly Way Is Turbo
Same as used in the 911's 915 gearbox. Circa £750 used. Over £1000 new. Available from any good 911 gearbox parts suppliers/specialists

If you are looking to spend less then join the queue. Rarer than hens teeth in a turbo. No idea of delivered UK numbers of turbos with this option but I'd bet single digits. I know of only one car with it in last 3 years. Or find a Carrera GT being broken!!

No other 924 had an LSD as far as I'm aware and the one above does not fit other 924 boxes. Try fitting a 944 turbo box with LSD?!

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Steve
1980 924 Turbo Series 1 - Alpine White & Guards Red
Omega forged pistons, lightened and balanced bottom end, ARP studs + Cometic MLS HG, Piper fast road cam, K27/26 3257 hybrid turbo, 951 ducted FMIC, Custom intake manifold, Mittelmotor dizzy & cam pulley, Adj boost - dyno’d at 225bhp @ 1.0bar on previous CGT turbo, Engine datalogged and on boost fuel enrichment managed with Zeitronix ZT2 & Phormula KS4 knock sensor, 944 turbo all alloy radiator, Hayward & Scott custom tapered race exhaust, GAZ Gold coilovers, Fuch'ed up, Quaife LSD
2017 VW Passat Variant GTE Advance - the daily load lugger and mile muncher
2015 Nissan Leaf Tekna - it builds trees when we drive it


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 Post subject: Re: The Holy Grail: Limited Slip Differential
PostPosted: Wed Jan 30, 2013 12:31 pm 
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Joined: Fri Dec 14, 2012 7:36 pm
Posts: 112
Model: 924s
Would a 944 turbo LSD fit? As far as I'm aware it won't.

I may look into the 911 LSD option, I had no idea they were the same?


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 Post subject: Re: The Holy Grail: Limited Slip Differential
PostPosted: Wed Jan 30, 2013 12:52 pm 
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Joined: Sat Jan 30, 2010 11:13 pm
Posts: 14815
Location: Somerset
Model: TheOnly Way Is Turbo
Ellerslie wrote:
Would a 944 turbo LSD fit? As far as I'm aware it won't.

I may look into the 911 LSD option, I had no idea they were the same?


911 and 924 turbo LSD is the same. I would doubt if this is the case for 924S which I noted after reading your other thread. 944 turbo box may not be a straight forward bolt up but may well be possible with a touch of pursuasion. I don't know of anyone who has done this

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Steve
1980 924 Turbo Series 1 - Alpine White & Guards Red
Omega forged pistons, lightened and balanced bottom end, ARP studs + Cometic MLS HG, Piper fast road cam, K27/26 3257 hybrid turbo, 951 ducted FMIC, Custom intake manifold, Mittelmotor dizzy & cam pulley, Adj boost - dyno’d at 225bhp @ 1.0bar on previous CGT turbo, Engine datalogged and on boost fuel enrichment managed with Zeitronix ZT2 & Phormula KS4 knock sensor, 944 turbo all alloy radiator, Hayward & Scott custom tapered race exhaust, GAZ Gold coilovers, Fuch'ed up, Quaife LSD
2017 VW Passat Variant GTE Advance - the daily load lugger and mile muncher
2015 Nissan Leaf Tekna - it builds trees when we drive it


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 Post subject: Re: The Holy Grail: Limited Slip Differential
PostPosted: Wed Jan 30, 2013 2:44 pm 
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Joined: Mon Jun 18, 2012 1:31 pm
Posts: 2522
Location: Exmouth, Devon
Model: 924
Would love a diff in my N/A after so getting used to the diff in my Skoda - although it locks the wrong wheels really compared to a 924 :razz:

Also makes driving in the snow a lot easier as both wheels grip.

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 Post subject: Re: The Holy Grail: Limited Slip Differential
PostPosted: Wed Jan 30, 2013 4:04 pm 
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Joined: Tue Sep 30, 2008 12:24 pm
Posts: 21450
Location: Ormskirk, Lancashire
Model: Turbo S1
Torque tube swap for a 951 gearbox, not easy but then not beyond the realms.

You'll end up with a higher final drive which may not be appreciated in a none blown 2.5.

Swap in the whole 951 running gear?? :lol:

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 Post subject: Re: The Holy Grail: Limited Slip Differential
PostPosted: Thu Jan 31, 2013 6:30 am 
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Joined: Fri Dec 14, 2012 7:36 pm
Posts: 112
Model: 924s
nwns wrote:
You'll end up with a higher final drive which may not be appreciated in a none blown 2.5.



You're correct, I prefer cars that will hit the limiter in top rather than a car that has 10-15mph of gearing that it will never use, especially for track use.

I thought the option 220 LSD was available for the S as well as the Turbo? Damn it if I'm wrong. I wonder if there's an aftermarket option?


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 Post subject: Re: The Holy Grail: Limited Slip Differential
PostPosted: Thu Jan 31, 2013 8:48 am 
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Joined: Thu Apr 28, 2011 7:38 pm
Posts: 1407
Location: Warrington
Model: Turbo
Apparently mine has it ?
PO (a porsche Guru) told me so!

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 Post subject: Re: The Holy Grail: Limited Slip Differential
PostPosted: Thu Jan 31, 2013 6:51 pm 
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Joined: Sat Jan 30, 2010 11:13 pm
Posts: 14815
Location: Somerset
Model: TheOnly Way Is Turbo
Mark D wrote:
Apparently mine has it ?
PO (a porsche Guru) told me so!


My PO was a Ferrari technician so should have known better. He stated in the advert it had an LSD. Alas it didn't. If your car has a factory fitted LSD it will have a /12 at the end of the gearbox seriel number. This is on the lowest central spline on the bottom of the casing. Or raise the rear end and spin one wheel. An LSD will spin the other wheel in the same direction. A non LSD will spin the other wheel in the opposite direction.

_________________
Steve
1980 924 Turbo Series 1 - Alpine White & Guards Red
Omega forged pistons, lightened and balanced bottom end, ARP studs + Cometic MLS HG, Piper fast road cam, K27/26 3257 hybrid turbo, 951 ducted FMIC, Custom intake manifold, Mittelmotor dizzy & cam pulley, Adj boost - dyno’d at 225bhp @ 1.0bar on previous CGT turbo, Engine datalogged and on boost fuel enrichment managed with Zeitronix ZT2 & Phormula KS4 knock sensor, 944 turbo all alloy radiator, Hayward & Scott custom tapered race exhaust, GAZ Gold coilovers, Fuch'ed up, Quaife LSD
2017 VW Passat Variant GTE Advance - the daily load lugger and mile muncher
2015 Nissan Leaf Tekna - it builds trees when we drive it


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 Post subject: Re: The Holy Grail: Limited Slip Differential
PostPosted: Thu Jan 31, 2013 6:59 pm 
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Joined: Thu Apr 28, 2011 7:38 pm
Posts: 1407
Location: Warrington
Model: Turbo
Will check and report back!

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