#1
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Torsion Bar Recommendation Needed
I would like to get some input on what size torsion bars I should go to. Currently my suspension is way too soft in the rear. The car is a bit too low currently and bottoms (and tops) out pretty easy. I would like to stiffen this up quite a bit without going radical.
Here is what I am currently running that impacts the decision to some extent: '73 standard bug Koni Reds Late 944 ali arms 944 spring plates 17x8.5 Boxster rims 24 extra lbs. of a TIV CSP Cup Brace If I remember correctly, stock bars are 24mm. Do I go 26, 27, 28 or what? Any confirmation on length and splines is helpful too so I can order them before pulling mine apart. Anyone with the parts I need willing to give a GermanLook.com owner discount is always appreciated.
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zen '73 2316 TIV GL Standard Bug (quasi) Company Branding, Graphic Design, and Web Services at DigiVinci Design |
#2
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Hi
Are you running stock bug or 944 bars? Bugs have 22mm and the basic 944s use 23.5, sames as a type 3. I found the 23.5 bars worked very nice in my old 1302 but I could have gone a little harder. Steve
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STI powered 1303 in the works. |
#3
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Zen, my bars came from '87 944 (got the whole housing, and parts attached to it) if my memory is right, my 944's are 25.5 mm, and the bug's were 22 mm. I set them next to my old type I bars, and the 944's are the "heavy duty booty " compared to the type I jobs they are the same spline and length. I can jump up and down on the back of my bug, and it's way stiffer than the old ones. It just so happens I know where some are sitting in a large metal basket(you know the place). I might be going there soon for another reason.
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1970 T1 W/MassIVe 2913cc RAT/?EFI? w/direct fire (very soon) and 915 trans 1962 SC 1776cc SP 944NA brakes, 993 wheels VKG Last edited by wrenchnride247; September 17th 2006 at 11:41. |
#4
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Torosion bars
There is a lot of torosion bars that is avai 924, 944 och 968 från 76 till 95, dessutom finns ett antal varianter ytterligare från eftermarknads företag.
The lenght of torosion bar that can be used is 676 mm för 1302/3. Bil modell Årsmodell Diameter (mm) Anmärkning Artnummer 924, Typ176-80 22 /L 311 511 115 D 924, Typ1 76-80 22 /R 924S2 944 86-88 82-92 23.5 23.5 /L 944 333 115 00 924S2 944 86-88 82-92 23.5 23.5 /R 944 333 116 00 944S2 89-91 24 /L 944 333 115 01 944S2 89-91 24 /R 944 333 116 01 944,M030 -86 24,5 /L 944 333 103 00 944,M030 -86 24,5 /R 944 333 104 00 944T S2,M030/M031 758 968 -92 87- 92-95 25.5 /L 951 333 103 30 944T S2,M030/M031 758 968 -92 87- 92-95 25.5 /L 951 333 104 30 |
#5
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Torsion bar
Hi
I pushed some wrong buttons before I was ready to send the last message. But here I try again. I put a list together, with what I found availably torsion bars.... Car model year Dia (mm) Note Art.number 924, Typ1 76-80 22 /L 311 511 115 D 924, Typ1 76-80 22 /R 311 511 115 D 924S2 86-88 23,5 /L 944 333 115 00 944 82-92 23,5 924S2 86-88 23,5 /R 944 333 116 00 944 82-92 23,5 944S2 89-91 24 /L 944 333 115 01 944S2 89-91 24 /R 944 333 116 01 944,M030 -86 24,5 /L 944 333 103 00 944,M030 -86 24,5 /R 944 333 104 00 944T -92 25.5 /L 951 333 103 30 S2,M030 87- /M031 /758 968 92-95 944T -92 25.5 /L 951 333 104 30 S2,M030 87- /M031 /758 968 92-95 I use 23,5 mm and lowering angle 12 degrees and that works ok. |
#6
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Lenght and number of splines
Hi again
I found that the lenght should be 676mm. Inner splines 40 and gives a change of 9 degrees Outer splinses 44 and gives a change of 8º 10,5’. |
#7
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Zen, I'm running the 944 25.5mm torsion bars which were a good mix of track and street. It's on the tight side for street use but if you autox, hit track days, or frequently drive winding roads the setup is perfect. It never had any problem with my type 4 hanging off the back.
My old track/street setup 72 super 2L type 4 1303 lower control arms modified 944 struts with kyb gr-2 inserts and eibach 12" 80lb/in. springs 86 944 n/a alu arms 86 944 club sport 25.5mm torsion bars kyb gas-a-just shocks 6x16 fuchs w/ 205/55R16 potenza s-03 7x16 fuchs w/ 225/50R16 BFG GeForce T/A KD |
#8
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I had the same question so I made a shot in the dark. I just put Sway-A-Way 28mm's on thinking they would be super stiff. (aircooled.net) I autocross so I was willing to sacrifice some comfort. No comfort lost. The car now feels solid & firm, no harshness at all. Red Koni's too, on second setting. Magic Carpet. I'm kicking it at the autocross now too. Just what the doktor ordered.
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