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PostPosted: September 1, 2017, 3:47 pm 
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Joined: October 13, 2011, 9:19 am
Posts: 1282
Location: Denver Co
So I am in the process of ordering new custom adjustable bilsteins (my car seems to be too light in the front to buy anything off the shelf). What i am having issue with is making a graph of what I want Bilstein to make.

Using this cacualtor
http://farnorthracing.com/autocross_secrets16.html

This is what I have but what values do you guys think would be fitting for Tire spring (its hard to measure), design Dampening ratio and digressive knee?

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My front spring rate is off since my front shocks are really over damped and I would think it should be closer to 125lbs. The rears are not too bad.
* Most spring calculators assume you don't have push rod supension.
http://www.ridetech.com/info/wp-content ... ulator.xls

I actually did this for the other car I was working and the driver ended up using a very slow rebound (2 click out of 10) because he thought it was too harsh. I think it is great.

Here is what i get if I use the built in Tire spring rate, design Dampening ratio and digressive knee

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data2.JPG [ 109.51 KiB | Viewed 998 times ]

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You can build the most awesome thing in the world but at some point, an 80yr old man in a crx is probably going kick your butt on the track... don't ask me how I know.


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