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Tech Talk Technical Discussion About The Nissan 240SX and Nissan Z Cars


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Old 03-31-2006, 12:20 PM   #1
RYS13
 
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I'm pretty sure the KTS springs are not progressive so spring load woudn't affect the harshness of the ride.
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Old 04-01-2006, 01:22 AM   #2
zads
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Quote:
Originally Posted by RYS13
I'm pretty sure the KTS springs are not progressive so spring load woudn't affect the harshness of the ride.
when you increase the preload, it raises the effective wheel rate.



on a side note, i have KTS on my s13.
preload is at a bare minimum, because I want as much droop travel as possible. (8/6 is plenty stiff enough..)

basically, undo the spring perches until the spring rattles. tighten the collars until the spring can't move freely anymore, and then give it an extra full turn. a paint pen or mark on the perch and shock body can help you keep track of how much preload/turns you put into it. you always want to have your left and right side preload the same, unless you only really turn in one direction (circle track).


I set my dampening settings at 1/1 (full soft front/rear) for daily driving- unless you're doing hard and fast left/right transitions, you don't really need much dampening, and its much more comfortable to ride in.


At the last private autocross practice I did, I found optimal balance settings at 11/8 front/rear. No rear sway bar. I will probably try stiffer front/softer rear at the next practice, so I can put power down out of the tight corners better, but 11/8 feels really good in the slaloms:
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Old 05-02-2006, 09:18 PM   #3
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Quote:
Originally Posted by zads
when you increase the preload, it raises the effective wheel rate.
explain, assuming the KTS springs are truely linear.
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