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

Spring stiffness

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Old Jan 12, 2005 | 11:53 AM
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Default Spring stiffness

Does any one know what a yellow cade would mean on a set of springs? I know that it is a stiffness code but what stiffness? I have a 96 with the f45 and it is too soft. Shocks are needed to be replaced as well
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Old Jan 12, 2005 | 01:45 PM
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http://www.vettenet.org/susp_chart.html
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Old Jan 13, 2005 | 02:12 AM
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Originally Posted by RED LT4
Does any one know what a yellow cade would mean on a set of springs? I know that it is a stiffness code but what stiffness? I have a 96 with the f45 and it is too soft. Shocks are needed to be replaced as well

I believe yellow is the softest for a 96, it's what I have on my base suspension.

You may find if you up the shocks & bars that the springs will be good, that's how I went. 30 solid f, 26 solid rear, qa1's set near max mine does not lean much.

Last edited by froggy47; Jan 13, 2005 at 02:14 AM.
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Old Jan 13, 2005 | 11:42 AM
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I'm not sure about any color codes, but all of the springs will have a two or three digit code on them. Using the chart that bogus posted as a starting point, over the years of working at a Corvette store, I have coordinated all spring rates with their codes.
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Old Jan 13, 2005 | 04:48 PM
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Originally Posted by froggy47
I believe yellow is the softest for a 96, it's what I have on my base suspension.

You may find if you up the shocks & bars that the springs will be good, that's how I went. 30 solid f, 26 solid rear, qa1's set near max mine does not lean much.
Springs are the last thing you want to change. Even race cars, in general, don't use as stiff of a spring as they did in the old days. Get your bars and shocks right, and you'll probably love it, without sacrificing much ride comfort.
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