Tuning for Koni Yellows
02-16-2012, 06:01 PM
#2
The Koni shocks/struts have pretty stiff valving. The ride is brutal when you crank them up. I prefer to keep mine about 1/2 turn off the minimum and I also have the FRPP springs. This gives good handling without being too uncomfortable. They are far, far superior to OEM shocks/struts.
02-17-2012, 12:34 PM
#4
Your settings depend on what you are doing and the surfaces you have to drive.
If you were drag racing you can make the rear shocks hard & the front struts soft. This will improve weight transfer for a better launch.
If you were running a road racing course you can adjust between 1/2 turn and 1 full turn to get the best valving for cornering and accelerating out of corners. The smoother the surface the harder the valving can be.
For a daily driver I would assume that you want from zero-turns to 1/2 turn for most uses. Even at "0" turns these shocks/struts are a good quality performance product.
You need to keep an exact valving adjustment side to side at all times. You can fine tune front to rear for your purposes (usually for street, rear can be a little softer IMO) but be careful, your suspension can get unpredictable on bumpy surfaces if there to too much variance from front to rear IMO.
If you were drag racing you can make the rear shocks hard & the front struts soft. This will improve weight transfer for a better launch.
If you were running a road racing course you can adjust between 1/2 turn and 1 full turn to get the best valving for cornering and accelerating out of corners. The smoother the surface the harder the valving can be.
For a daily driver I would assume that you want from zero-turns to 1/2 turn for most uses. Even at "0" turns these shocks/struts are a good quality performance product.
You need to keep an exact valving adjustment side to side at all times. You can fine tune front to rear for your purposes (usually for street, rear can be a little softer IMO) but be careful, your suspension can get unpredictable on bumpy surfaces if there to too much variance from front to rear IMO.
02-19-2012, 08:59 AM
#5
6th Gear Member
Join Date: Feb 2007
Location: state of confusion
Posts: 7,635
With the OE springs still in my car, I run the fronts about a quarter turn up from full soft and the rears about an eighth turn up when my wife is going to be a passenger for very many miles. For just myself, I run them up somewhat firmer.
Your FRPP springs are stiffer, so you might want to try +1/2 front and +1/4 rear and move up/down in 1/8 turn increments.
If you get into autocrossing or road course track days, there's a Koni shock tuning guide that Google or Bing ought to be able to find. If not, I may have it as a text file somewhere. It's for their double-adjustable racing shocks, but can still be used for the single-adjustable yellows (which are rebound-adjustable only). Just skip over the bump damping section.
Norm
02-20-2012, 03:15 PM
#6
Join Date: Dec 2011
Location: Florida
Posts: 2
If you get into autocrossing or road course track days, there's a Koni shock tuning guide that Google or Bing ought to be able to find. If not, I may have it as a text file somewhere. It's for their double-adjustable racing shocks, but can still be used for the single-adjustable yellows (which are rebound-adjustable only). Just skip over the bump damping section.
Norm
Is this what you were referring to? (Taken from a Bimmer forum):
http://www.bimmerhaus.com/tech/shocktuningTN.html
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