Advise on starting point for Koni SA's please
Mechanic is getting them installed faster than I thought (along with other suspension stuff) and I was just wondering what a good starting point would be with these things in mind:
- They are Koni SA's with the dials
- It has Eibach Pro Kit
- I want good all around handling and ride.... "good compromise starting point"
- I realize I have to dial it in to my liking but just wondered where to start and figured I'd tell him to go ahead and set it that way right off the bat.
One more question, what do you all do to access the adjustment ***** on the rears, cut some carpet out or do you take stuff apart to get to it each time?
- They are Koni SA's with the dials
- It has Eibach Pro Kit
- I want good all around handling and ride.... "good compromise starting point"
- I realize I have to dial it in to my liking but just wondered where to start and figured I'd tell him to go ahead and set it that way right off the bat.
One more question, what do you all do to access the adjustment ***** on the rears, cut some carpet out or do you take stuff apart to get to it each time?
IMO the rear 1/8 to 1/2 turn from full soft, the front 4-6 sweep from full hard.
If your willing to cut your carpet read ahead; otherwise disregard the following.
Drop the rear seat down and look for perforations in the carpet above each shock(my 99Z28 has them) in a U shape if your car has them and you don't mint cutting the carpet slowly cut along the perforations with utility knife with a new blade. there will be some padding underneath the carpet cut it out also, but be careful to not cut up the foam rubber inserts directly below the carpet padding.
I did this with my car, years ago.
If your willing to cut your carpet read ahead; otherwise disregard the following.
Drop the rear seat down and look for perforations in the carpet above each shock(my 99Z28 has them) in a U shape if your car has them and you don't mint cutting the carpet slowly cut along the perforations with utility knife with a new blade. there will be some padding underneath the carpet cut it out also, but be careful to not cut up the foam rubber inserts directly below the carpet padding.
I did this with my car, years ago.
Last edited by bluz28; Nov 16, 2009 at 05:07 PM.
IMO the rear 1/8 to 1/2 turn from full soft, the front 4-6 sweep from full hard.
If your willing to cut your carpet read ahead; otherwise disregard the following.
Drop the rear seat down and look for perforations in the carpet above each shock(my 99Z28 has them) in a U shape if your car has them and you don't mint cutting the carpet slowly cut along the perforations with utility knife with a new blade. there will be some padding underneath the carpet cut it out also, but be careful to not cut up the foam rubber inserts directly below the carpet padding.
I did this with my car, years ago.
If your willing to cut your carpet read ahead; otherwise disregard the following.
Drop the rear seat down and look for perforations in the carpet above each shock(my 99Z28 has them) in a U shape if your car has them and you don't mint cutting the carpet slowly cut along the perforations with utility knife with a new blade. there will be some padding underneath the carpet cut it out also, but be careful to not cut up the foam rubber inserts directly below the carpet padding.
I did this with my car, years ago.

Don't worry about the cut carpet as the seat (up position) covers it.
My base setting were 4 sweeps from full hard in front and full soft in the rear.
Thanks guys. He just cut some holes and it works nicely. So the directions don't make much sense. Do you sweep forward for firmer? I assume you put the allen wrench in the hole and "push" or "pull" it ("sweep it"?) either toward the front or rear. I never even took the stuff out of the box because I didn't want to lose anything and then mechanic friend got them installed really quickly before I had a chance to tinker with them off of the car. So the advice you all are giving is in regards to my Eibach springs as well or is that with stock springs? ...I know that no matter what every car is different of course, even if set up nearly identically. Plus one person's driving style or uses are different from another's. Just wanted a basic starting point and/or maybe some conjecture on how the settings affect understeer and oversteer.
To me it makes sense for example to set the fronts on full soft and the rears on full hard for drag racing. My theory is this allows the front end to lift a little more and keeps the rear from rebounding quickly when weight is transferred to it upon acceleration.
For oversteer and understeer I would think whichever end of the car is looser is going to tend to slide first but this may be wrong? ....when I have time I'll do some searches. Probably won't even be driving the car much at all until mid spring anyway.
Thanks for the input and more is welcome if anyone's bored.
To me it makes sense for example to set the fronts on full soft and the rears on full hard for drag racing. My theory is this allows the front end to lift a little more and keeps the rear from rebounding quickly when weight is transferred to it upon acceleration.
For oversteer and understeer I would think whichever end of the car is looser is going to tend to slide first but this may be wrong? ....when I have time I'll do some searches. Probably won't even be driving the car much at all until mid spring anyway.
Thanks for the input and more is welcome if anyone's bored.
The front settings are for lowering springs, for stock springs 6-8 sweeps from full hard.
The rear shock setting will be within the same range with stock or lowering springs.
I believe you want very little rebound for drag racing, so full soft is probably your best bet.
Front adjustment:
http://www.koni-na.com/sweep.cfm
Rear adjustment:
* Clockwise = Softer
* Counter Clockwise = Firmer
The rear shock setting will be within the same range with stock or lowering springs.
I believe you want very little rebound for drag racing, so full soft is probably your best bet.
Front adjustment:
http://www.koni-na.com/sweep.cfm
Rear adjustment:
* Clockwise = Softer
* Counter Clockwise = Firmer
Thanks a bunch you all, I'll look into it. I still would think full soft on the fronts and full firm on the rears would be correct for drag racing (less rebound tension up front so it raises easier, more rebound tension in the back so when it squats it doesn't tend to "bounce back up" after squating). Is my understanding wrong? Thanks again for the info.
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