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morghen
Joined: 21 Jan 2005
Posts: 9095
Location: Romania
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 Posted: Sun Sep 27, 2009 3:50 am Post subject: new plans |
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The dream lives on with the Carrera !
my car has now the following modifications:
932 S2 engine + DITC + CIS
1 bar pressure spring
FMIC
944 gearbox
944 brakes
951 rear suspension
944 front suspension
CGT bodykit
custom front spoiler
17" 996 wheels with new michelin pilot sport SP2 tires.
since i cannot buy a 951..i will keep investing in the 924.
so the next things it is going to get is:
different front turn signals 
951S gearbox with LSD and oilcooler.
coil over suspension allaround.
951 calipers all around.
951 front A-arms
951 steering rack, complete 944 power steering system.
the question is: is the 951S gearbox different in any way compared to the early 944 one? do i also need another torque tube?
any toughts on what effect will this gearbox have on the performance of the car?
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CorsePerVita
Joined: 25 Jul 2008
Posts: 1992
Location: Redmond, Oregon
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| Posted: Sun Sep 27, 2009 3:52 am Post subject: |
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Is that yours in the above picture? Sharp looking!
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- 1977 Porsche 924 2.0 N/A (Trackday Project)
- 1979 Porsche 924 2.0 N/A (The other daily)
- 1980 Porsche 931 (Daily)
- 1987 Lamborghini Jalpa
- 1999 Ducati 900SS |
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Cedric
Joined: 27 Aug 2004
Posts: 2807
Location: Sweden
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| Posted: Sun Sep 27, 2009 6:08 am Post subject: |
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why not a s2 gearbox, it has lower gearing. Its a common uppgrade on 951 track cars here..
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1980 924 Turbo
www.instagram.com/garagecedric/ |
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morghen
Joined: 21 Jan 2005
Posts: 9095
Location: Romania
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| Posted: Sun Sep 27, 2009 7:53 pm Post subject: |
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does it bolt on to the 944NA TT?
AFAIK the S2 used a different TT.
i'm after better 0-100 and 1/4 mile times but also after higher cruising speeds.
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Martijnus
Joined: 29 Dec 2006
Posts: 2019
Location: Netherlands
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| Posted: Sun Sep 27, 2009 11:24 pm Post subject: |
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how about a 6 speed from a 968?
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"Rule: Turbo's make torque, and torque makes fun." (C. Bell)
924 "50-jahre", 1981.
MSII/extra, LPG, ITB's, 5lug.
To be turbo'ed in a while.
Killed her at the Nurburgring, Porscheless at the moment  |
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morghen
Joined: 21 Jan 2005
Posts: 9095
Location: Romania
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| Posted: Mon Sep 28, 2009 12:16 am Post subject: |
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| Martijnus wrote: | | how about a 6 speed from a 968? |
no..thats out of the question...the gearbox alone costs over 1500 euros.
you need the linkage...and you need to cut into the car body to make it fit.
it will be a 951 or an 944S2 unit.
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wombat
Joined: 07 Jun 2008
Posts: 422
Location: Melbourne, Australia
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| Posted: Mon Sep 28, 2009 8:37 pm Post subject: |
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| Martijnus wrote: | | how about a 6 speed from a 968? |
OR really different and go the tiptronic from one??? well you could probably find the same 4 speed tiptronic in a passat much cheaper and just claim it was from a 968. But given this would not really meet any of your aims it is probably a pretty dumb idea too. But it was the only trans that comes close to fitting that no one had mentioned yet...
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1977 924 2.0 Auto |
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ideola
Joined: 01 Oct 2004
Posts: 15550
Location: Spring Lake MI
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| Posted: Mon Sep 28, 2009 9:52 pm Post subject: |
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| morghen wrote: | | AFAIK the S2 used a different TT |
This is news to me (although it could be true). I was under the impression that all Audi-based gearboxes in the 924/944 lineup used the same torque tube. Granted, the early 924 NAs had a smaller diameter driveshaft, but I am fairly certain that all of the 931/924S/944/951 Audi-based gearboxes have the same configuration relative to the driveshaft and input shaft.
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morghen
Joined: 21 Jan 2005
Posts: 9095
Location: Romania
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| Posted: Mon Sep 28, 2009 11:50 pm Post subject: |
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the 944 S2 has a shorter TT..thas what i've been told....i dont know this for a fact it is just a fact that i've been told about.
Anybody that can confirm ?
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ideola
Joined: 01 Oct 2004
Posts: 15550
Location: Spring Lake MI
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| Posted: Tue Sep 29, 2009 12:18 am Post subject: |
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There is a different part number in PET specific to the S2, so you may be correct:
944.421.012.02 -> 1989-onward 944/951
944.421.012.15 -> 944S2
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erstwhile owner of just about every 924 variant ever made |
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wombat
Joined: 07 Jun 2008
Posts: 422
Location: Melbourne, Australia
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| Posted: Tue Sep 29, 2009 12:59 am Post subject: |
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Now I cant give you a definitive answer to this but I have a strong sense that they are different. Also I have seen the S2 part number listed as the TT for the 968 however I have also seen the part number of 944.421.012.21 listed for the 68 so this all seems a little unclear??? my guess is that your info is correct and the S2 has a "different" tube.
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1977 924 2.0 Auto |
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ideola
Joined: 01 Oct 2004
Posts: 15550
Location: Spring Lake MI
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| Posted: Tue Sep 29, 2009 1:34 am Post subject: |
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| wombat wrote: | | part number of 944.421.012.21 listed for the 968 |
Confirmed by the 968 PET.
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erstwhile owner of just about every 924 variant ever made |
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wombat
Joined: 07 Jun 2008
Posts: 422
Location: Melbourne, Australia
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| Posted: Tue Sep 29, 2009 8:59 pm Post subject: |
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| ideola wrote: | | wombat wrote: | | part number of 944.421.012.21 listed for the 968 |
Confirmed by the 968 PET. |
Yeah I found that too and we purchased that one for a friends car however in the process the .15 number came up at 2 suppliers as the TT for the 68 so we didnt get it from either of those suppliers one was cheaper but to be sure we took the .21. mind you it is an early 68 so it is possible that the year was conflicting? anyway I just noticed it when you posted the part number as we just went through this whole thing and the part number looked familiar. I thought I would mention it.
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1977 924 2.0 Auto |
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9xx
Joined: 18 Jun 2006
Posts: 627
Location: Jarvenpaa, Finland
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| Posted: Fri Oct 02, 2009 6:49 pm Post subject: |
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Morghen, have you changed that one spring that supposedly was 1.0 bar but turned out to be 0.7 bar spring? The one you bought from ebay.
How would you describe the performance difference between those springs?
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Mikko
All gone: 931 '82 Alpine White, original option "220" G31 with LSD + 3 x 944 |
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morghen
Joined: 21 Jan 2005
Posts: 9095
Location: Romania
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| Posted: Fri Oct 02, 2009 7:40 pm Post subject: |
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9xx i still have that "1 bar" spring that actualy produces only 0.7bar.
there is a noticeable difference between the stock spring(0.6bar) and this one.
Not a hudge difference but the difference is there.
the spring is the problem...i've taken out the feed line to the WG and at 3000RPM it hit the boost protection swithc at 1.1 bar.
i've made a couple of aluminium shims i want to install so i get to 1 bar.
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