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keith
Joined: 21 Sep 2003
Posts: 24
Location: Charlotte, NC
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 Posted: Sun Sep 21, 2003 11:06 pm Post subject: What are torsion bar sizes of the 1980 931 vs the 1987 924S? |
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Pretty much what the title states.. I am transferrring my 1980 931 snailshell to my automatic 924S and want to know that I am at lest not going SMALLER with my torsion bar sizing... (ie- 1980 931 bars are going with the rear suspension into the S)
TIA,
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keith
86/9 951
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CMXXXI
Joined: 05 Nov 2002
Posts: 1939
Location: Vicksburg, MS
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| Posted: Mon Sep 22, 2003 4:29 am Post subject: |
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The '80 931 has a 14mm rear bar, and the '87 924S could have a 14 or 20mm rear bar. Option M030 (Sport suspension) got a 20 mm rear and 23 front stabilizer. The stock front bar on the '87 924S was 20mm with an optional 23mm, wheras the 931 had varying configurations: 20, 21, 21.5 or 23.
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'79 Eurospec 931 |
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keith
Joined: 21 Sep 2003
Posts: 24
Location: Charlotte, NC
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| Posted: Mon Sep 22, 2003 5:52 am Post subject: |
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sorry about that - I was referring to torsion bar sizing - thanks for the swaybar info though!
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keith
86/9 951
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-nick
Joined: 16 Nov 2002
Posts: 2699
Location: Cambridge, MA
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| Posted: Tue Sep 23, 2003 12:33 am Post subject: |
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I believe they were both 23.5mm except for the M030 924S's. I'm guessing those were probably 24.5mm like the early M030 944's.
-nick |
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CMXXXI
Joined: 05 Nov 2002
Posts: 1939
Location: Vicksburg, MS
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| Posted: Tue Sep 23, 2003 4:29 am Post subject: |
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Oops, mis-read "torsion bar" as "sway bar".
According to PET, the '80 924/931 had a 22mm bar up to SN 92A0430198, and then a 23.5mm bar after that. -Nick's got the 87 924S info right, it had a 23.5mm bar standard, but a 24.5mm bar as part of the M030 Sport Suspension package.
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'79 Eurospec 931 |
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924RACR
Joined: 29 Jul 2001
Posts: 9116
Location: Royal Oak, MI, USA
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| Posted: Tue Sep 23, 2003 9:18 am Post subject: |
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Wouldn't it be easier to sell the trans to a needy 80 931 owner and just install a regular 944 5-speed??? No torque tube or suspension swap needed...
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Vaughan Scott
Webmeister
'79 924 #77 SCCA H Prod racecar
'82 931 Plat. Silver
#25 Hidari Firefly P2 sports prototype |
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Paul
Joined: 02 Nov 2002
Posts: 9491
Location: Southeast Wisconsin
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| Posted: Tue Sep 23, 2003 9:31 am Post subject: |
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| I'll be glad to buy it if first gear is ok. |
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keith
Joined: 21 Sep 2003
Posts: 24
Location: Charlotte, NC
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| Posted: Tue Sep 23, 2003 9:54 am Post subject: |
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Aw man, easy isn't in my vocabulary!
Besides, I actually WANT the LSD G31 in my 924S (soon turboS)
I have a nice 3sp auto for sale, though...
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keith
86/9 951
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Paul
Joined: 02 Nov 2002
Posts: 9491
Location: Southeast Wisconsin
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| Posted: Tue Sep 23, 2003 9:59 am Post subject: |
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| Check it before you put it in the car, I would replace all the sycnros at least... |
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