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175K911 175K911 is offline
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Join Date: Sep 2007
Location: Wheaton, IL (Chicago 'burbs)
Posts: 3,141
Quote:
Originally Posted by 911st View Post
I know 21/29's are not a recommend standard and are more rear biased.

I have a 85 3.2 Carrera around 2700 lbs with LSD for street/DE.

Is anyone running this set up or close to it (22/30 or 31's)?
What do you like about it ?
How is it working on the track or street?
What sways are you running with them?

Unless you have tried it please don't hammer me.

Thank you for any input.
On my old '86, I tried the 21/29 combination and it was too loose for my taste. I had adjustable 22 mm sway bars and ended up running the front full stiff to balance out the car on high speed turns at places like the Glen. Swapped out the 21 for 22's and was much happier. Drove that combination extensively on the street too and it was very comfortable.

Current setup on this 86 is 23/31 with Tarett sways and Elephant polybronze everywhere. Custom valved Bilsteins to match the torsion bars. Wonderful on the track but marginal ride comfort on the street.

FWIW- before the 21/29, I ran 21/28 which was a nice combination with the stock 86 sways (which were bigger than your 85 sways.) But not enough roll stiffness for track duty to justify the work to swap it all out.

My recommendation is just do the 22/29. But either way, you'll need shocks to control the added stiffness of the torsion bars.
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Ed
'86 911 Coupe (endless 3.6 transplant finally done!)
'14 Jeep Grand Cherokee 3.0 Turbodiesel (yes they make one)
'97 BMW 528i (the sensible car, bought new)
'12 Vintage/Millenium 23' v-nose enclosed trailer
Old 04-16-2008, 01:11 PM
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