ADJUSTABILITY...if the bar has "about" the right stiffnes. From a chassis tuning point of view I want adjustability as the Bars control the "timing" of how soon each end of the car transfers enough weight to overload the outside tire and start sliding. The evo setup of bars from Robispec has 4 positions(7 discreet combinations) rear and 6 (9 combos) front. this so that at any given track tire temp combination we can make an EASY bar change which effects the wheel rate and gives the driver control about if and how much oversteer he has. We would otherwise have to resort to Spring changes...not your 5 minute change...I havent seen a bunch of adjustability with the current offerings...for the 370z
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