C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

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Old Dec 1, 2005 | 12:51 AM
  #21  
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TravisD
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After spending a lot of time on the phone with Sam Strano, I put the Koni Yellow's on my '96. Car is primarily used for Autocross so performance was the main point (well, and not spending >$1k on something like a Moton or Penske). I've been VERY happy with them. Made a HUGE improvement in how the car handles, but this is in comparison to the stock, 50k mile Bilsteins so I'm sure that any new shock would have been an improvement.

I generally leave them set at "race" settings since I don't drive the car that much except too/from events. I don't have any problem with the street "manners" -- in fact I'd say the ride improved.

If you get the chance to drive the car in anger much, the Koni Yellow's are a very worthwhile upgrade. If you never drive the car competitively then you're probably going to do just as well with a set of new Bilsteins in the proper valving for your springs. I did put the Bilsteins onto my truck last year though and they made a world of difference there
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Old Dec 1, 2005 | 07:49 AM
  #22  
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CorvAdel
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Travis..i got some orange colored adjustable Konis that don't have "race" or otherwise stamped on them. Both fr. and rears have 2 full turns of adjustment. Could you tell me what your 'race" setting is..As in how many turns from full hard or from full soft..? thanx
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Old Dec 1, 2005 | 12:23 PM
  #23  
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TravisD
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From: Westminster MD
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Originally Posted by CorvAdel
Travis..i got some orange colored adjustable Konis that don't have "race" or otherwise stamped on them. Both fr. and rears have 2 full turns of adjustment. Could you tell me what your 'race" setting is..As in how many turns from full hard or from full soft..? thanx
I have no idea how the Orange ones translate to the Yellows -- they're different shocks. My car being a '96 is pretty soft so YMMV. Anyway, I found that last year I was happy with the front 1 turn away from full-firm, and the rears set full-soft. I had started with the rears about half-way and found that it was having trouble planting power. I autocross on basically one lot all the time so I haven't found much need to tweek -- for a rain event though I might drop the fronts to full-soft as well as dropping tire pressure.

Just keep in mind though that this is all subject to change based on the shock, spring, and tire combo.
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Old Dec 1, 2005 | 10:50 PM
  #24  
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resipsa
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From: Newtown PA
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I did not mean to imply that the valving was completely dictated by top-off driving, only that it was a consideration. This info was offered to me when I was investigating revalving the Bilsteins (at the time I was complaining about how badly tuned the shocks were from the factory). I believe, however, that there is truth in this as the firmer valving did noticably worsen the flexing when the top is off (never noticed it being worse with the top in place).
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Old Dec 2, 2005 | 12:09 AM
  #25  
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Zpeedstr
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Koni works for me.
Tried several Bilstein valving, and just bounced around.
I've got VBP extreme springs and run the Koni at full stiff.
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Old Dec 2, 2005 | 03:54 PM
  #26  
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From: SCMR Rat Pack'r Charter Member..Great Bend KS
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Originally Posted by CorvAdel
Travis..i got some orange colored adjustable Konis that don't have "race" or otherwise stamped on them. Both fr. and rears have 2 full turns of adjustment. Could you tell me what your 'race" setting is..As in how many turns from full hard or from full soft..? thanx

I have the yellow Sports and think they are the final answer.
I've arrived at these setting on my own '96:
The rears set on full soft.
Fronts are 1/2 turn from full soft.

The yellow fronts have a 2 3/4 turn range, the rears have 2 1/2 turns to play with. I did some damping charting, using 1/4 turn increments and found that the damping changed relatively little for the first 3/4 turns, started making a noticeable difference at 1 1/2 turns, and the rates took BIG jumps at starting at 2 turns. I have the chart in Excel, but don't know how to put the Excel document on the fourm.

Larry
code5coupe
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