This thread is getting pretty interesting and I always thought it odd how much stiffer front to rear the aftermarket change vs the oem rates for most of the aftermarket. Also I know the increase in rear rate doesn't have as much effect as the front in terms of overall stiffness increase so Im curious with the motion ratio calculated in how much stiffer % the front vs the rear is going from the oem 7.5/8.1 setup to something like my 12/11 and also the hks 14/16 (I think that's what he said it had). Be curious if the powertrix is like a 40%/25% which would re confirm my balance I feel now and is the hks something like a 50%/50% keeping the balance also wonder where something like the fortune end up in stock form as they spec an 11/8 setup and dont think going stiffer in the rear is good as it doesn't let the car articulate (when I spoke to them in the past) which I thought that balance would be really understeer biased. As it is I'm glad I went with the swift upgrade for the 12/11 setup vs the 12/10 setup stock for powertrix. I don't really want to increase or decrease my rates as I like the ride now but wonder if I can make the % difference up in bar setting.
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