996 Turbo / GT2 Turbo discussion on previous model 2000-2005 Porsche 911 Twin Turbo and 911 GT2.

How to adjust caster on TT?

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Old 09-02-2004, 11:54 AM
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How to adjust caster on TT?

How do I adjust caster in the front?

Thanks for your help.
 
  #2  
Old 09-02-2004, 10:35 PM
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Hi. I don't think there is any provision for adjusting caster. You
already have a good amount built in by Porsche. Why do you
want more? Does your car not feel 'centered' enough, or are
you looking for more induced negative camber?
Joe
 
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Old 09-03-2004, 09:18 AM
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PM Cary Eisenlohr

KPV and I have altered our caster settings with parts from ERP
He can help you and he is a suspension GURU
 
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Old 09-04-2004, 05:27 AM
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Originally posted by vipertestarossa
PM Cary Eisenlohr

KPV and I have altered our caster settings with parts from ERP
He can help you and he is a suspension GURU
Ron,

If the corner ballance is off will that impact the caster? I had it corner ballanced a while back but it may be off now. The car is pulling to the right and can not be aligned any more than it is right now.

Can all this difficulty aligning the car result from a bad corner balance alone?

Here is the best the alignment shop could do:

Front Right Left

Camber -0.63 -0.59
Caster 8.79 8.62 (This is the best that can be done for caster)
Toe 0.06 0.07


Rear Right Left

Camber -1.81 -2.4 (Left can not be brought down, right can not be brought up more)
Toe 0.26 0.27
 
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Old 09-04-2004, 05:59 AM
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corner-balance or the lack of it, is a symptom, not a cause.
Is this a stock car? You caster seems within tolerance as-is,
and can't be the cause of any problem because it's not
adjustable on a stock car. Has this car been in an accident?
Joe
 
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Old 09-04-2004, 06:10 AM
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Car has PSS9.
 
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Old 09-04-2004, 07:19 AM
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Oliver

Corner balance and caster are unrelated
IMO corner balance on the street is over rated
Have your ride height set to your personal preference and redo the align.

Also tire pressure plays a huge part in the thick of things
43 PSI rear and 36 PSI front

My car has JIC's set on a very stiff setting and most of the rubber suspension parts eliminated, it rides and handles like a race car, just the way I like it.

PM me if you need further advise or help
 
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