bd3d, on Jan 30 2013, 05:21 PM, said:
Im sorry for thinking several levels above where you are. Clearly you can eaisly use a calculator to determine how much weight would have to be moved in order to change percentages a corresponding amount. A complex formula could tell you exactly how far down or up the nut would have to travel to achieve that change without using scales . That type of formula would be ivy leauge , which is why I said the trial and error method on the scales that your describing makes more sense !!! Just read what I write before you commentNo what I said was the weight change measurements are taken off the left rear corner, the car needs to be level and at ride height to do this so when I do the car is sitting of four scales, but you only need the left rear scale to measure the changes as you make your adjustment. If you put 10 pounds in the left rear it will put 10 pounds on the right front at the same tme, it will also take 10 ponds of the other two corners at the same time. The adjustmet is made with a four corner adjustment but with each adjustment you are actually effecting all corners at the same time. So you need to determine how much wedge you want in or out of the setup. then divide by 8, so for simple math lets say you have a 2000 pound racecar and you have 49% wedge and you want to increase it to 55% that means you need to add 6% to the wedge (LR to RF)correct? So 6% of 2000 pounds is 120lbs. divide this by 8, that gives you 15 pounds, after you figure this number out simply turn the left rear spring in until the LR scale comes up 15 pounds more, then go to the RF and turn that spring until the LR Scale comes up 15 more pounds, then go to the RR and take that spring out until the left rear comes up another 15 pounds and go the left front and take that out until the left rear goes up 15 more pounds. At that point you have increased your wedge 6% and you ride height will be exactly where it was before you started making your adjustments.
