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-   -   how to set ride height on a CSX car? (http://www.clubcobra.com/forums/shop-talk/144537-how-set-ride-height-csx-car.html)

ERA 626 03-01-2021 07:04 PM
how to set ride height on a CSX car?
 
I am being told by a reliable source that to set the ride height correctly on a CSX car.

You need to set the lower control arms LEVEL!
This is easy to do for the front, but the rear however is the issue.

With the car up in the air (on the lift) when I snug up the spring only tight enough to make it not loose, then I put the car on the ground the car sits a little high... When I loosen the spring more it kind of seems too lose but the car sits lower, in order for me to get the car to sit lower to make the control arm even close to being level the spring is completely loose when the car is in the air, but when I lower the car and put weight on it it is good. Is this normal? am I missing something?

strictlypersonl 03-02-2021 05:00 AM
There is nothing magic about the angle of the lower control arms. Set the springs so that the chassis height above the ground is correct (with a bit of static rake). That's how the suspension was designed.

Randy Rosenberg 03-02-2021 06:10 AM
I used these to solve the "loose spring" problem:

https://www.summitracing.com/parts/EIB-HELPER225

ERA 626 03-02-2021 08:48 AM
Quote:
Originally Posted by strictlypersonl (Post 1489777)
There is nothing magic about the angle of the lower control arms. Set the springs so that the chassis height above the ground is correct (with a bit of static rake). That's how the suspension was designed.
I have a CSX car... Not an ERA , my ERA was great when you sent it to me...

strictlypersonl 03-03-2021 05:41 AM
Quote:
Originally Posted by ERA 626 (Post 1489787)
I have a CSX car... Not an ERA , my ERA was great when you sent it to me...
I realize that you're talking about a CSX. The final chassis height still defines the control arm angles, not the reverse.

ERA 626 03-03-2021 11:03 AM
Quote:
Originally Posted by strictlypersonl (Post 1489823)
I realize that you're talking about a CSX. The final chassis height still defines the control arm angles, not the reverse.
in order for me to get the ride height correct, the springs are too loose. Is it possible I have the wrong springs?

patrickt 03-03-2021 12:15 PM
If what you are saying is "When I have the ride height perfect, I can stick my hand under the car and rattle the springs back and forth" then the answer is yes, you must have the wrong springs.

Randy Rosenberg 03-03-2021 01:01 PM
I think you can either purchase longer springs (same diameter, same weight) or purchase/install helper springs whose sole purpose is to take up the slack with the suspension is dangling. I had this same issue and went with the helper springs.

FredG 03-03-2021 03:40 PM
Dangling
 
I can't speak for the other models but on a Backdraft when the front wheels are dangling, the springs are very loose and that is normal. I have 275lb Hypercoils that are 8 inches tall. When the wheels are on the ground under full load..........NO.. and if they were, that would be a cause for concern.

Fred

ERA 626 03-03-2021 04:57 PM
what I am saying is that is when I get the car to look nice (nice low ride height) the springs (when car is in the air) is over 1" away from the lock nut. but when the car is on the ground under load it is fine...

patrickt 03-03-2021 05:02 PM
Quote:
Originally Posted by ERA 626 (Post 1489854)
what I am saying is that is when I get the car to look nice (nice low ride height) the springs (when car is in the air) is over 1" away from the lock nut. but when the car is on the ground under load it is fine...
I have seen cars (not ERAs) that have no preload on them when the car is jacked up and the suspension is hanging down. So long as you have preload when the car is down on the ground, and the ride height is nice, and you're at 49% or more cross-weight, then I would say it's ready for the break-in drive, which should be nice and slow. After a hundred miles of gentle slow driving, you can see how the suspension handles corners out in a big open parking lot where there's nothing to hit should something break loose.:cool:


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