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Go Back   SR20 Forum > Main Forums > Chassis & Suspension



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Old 05-19-2008, 04:47 AM   #1 (permalink)
Willser93
auto-x is fun

 
Join Date: Jun 2007
Location: by the river in Salem
Trader Rating: 2 (100%)

B13 Koni Red Dampening Rates?

Ok so I've spent 2 hours searching and reading about koni struts trying to find out what the difference is from "full soft to full hard" as compared to stock or even itself. There's a listing "supposedly" for the AGX's but nothing I've found for Koni as yet. Someone must either know or have discussed this in the past I just can't find it...

What I know or think I know:

Per Steve there's 1.75 turns of adjustment (might be a different strut), by my own testing there's 1.5 turns of adjustment on the strut (I might be an idiot though).

Strut appears to come from the factory set(what I'll call stock) to the middle (3/4 turn travel in each direction)

Turning to the left(counterclockwise)=softer, right?
turning to the right (clockwise)=harder right?
(Note to Koni this would be good information to include in the instructions.)

Most recommendations for pairing with the Hyperco Gen2's seem to be for full hard, 1/4 turn from hard or 1/2 turn from hard. Harder in the back than in the front.

Anyone have any idea how the dampening changes? Is it a big difference, ie hard=2x stock, soft=1/2stock, (a 200% increase soft to hard), or something small like: hard =120%stock, soft=80%stock (a 50% increase in dampening soft to hard).

Koni's instructions suck. What is it with northern european companies Koni and Ikea for instance and their crappy instructions/tech specs?

Last edited by Willser93 : 05-19-2008 at 02:19 PM. Reason: swapped turning for correct ones
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Old 05-20-2008, 01:44 PM   #2 (permalink)
Willser93
auto-x is fun

 
Join Date: Jun 2007
Location: by the river in Salem
Trader Rating: 2 (100%)

listen in on the neighbors

here's the answer to my question.
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Old 05-20-2008, 07:44 PM   #3 (permalink)
veilside180sx
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Join Date: Dec 2004
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The directions for adjustment is included with the instructions, at least every damper I've purchased from them (which is quite a few)
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JGS Precision www.jgsturbo.com
Koni www.koni-na.com
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Quote:
Originally Posted by Ninety-Nine SE-L View Post
I'm sorry I didn't copy everyone else's setup. If you need a preacher to tell you what mods to put on your car, the Reverend Veilside180sx might have a suggestion.
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Old 05-21-2008, 11:51 AM   #4 (permalink)
Willser93
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Join Date: Jun 2007
Location: by the river in Salem
Trader Rating: 2 (100%)

The struts came with both installation and adjustment instructions. The adjustment instructions were pretty lame though. Basically, carefully turn to the left till stop then turn to the right 2 half turns, unless they were already adjusted then turn them to the right more than you had turned them to the left...what they don't say is what turning each way does...

What would have been helpful, especially for someone new to this stuff, (it's buried on the Koni website at least) is turning to the left decreases dampening, turning to the right increase dampening. The other good to know thing (I called Koni tech support to find this) is the koni red damper is 75% stiffer on full hard than full soft, and the adjustment is non-linear with half of the effective dampening taking place in the last 1/2 turn. I'm guessing that this is differnent for each strut and would probably be good to know, especially when comparing struts. (red vs yellow vs specV.vs etc...) I'm sure that Koni has this information, it would be pretty cool to have them include somewhere a little graph that shows dampening increase correlating to strut adjustment. I think that would be very useful especially for those of us wondering what adjustments we want to make or even what struts we want to buy.
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