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Originally Posted by cody
Monkey, the point of a RSB is to share the force flex between both strut towers. I fail to see how the pivoting joints take away from the usefulness of the bar. I wouldn't expect the bar to do anything other than keep the two strut towers at one constant distance from eachother (therby sharing the force exerted upon them). I think expecting a solid bar to keep the rear end "square" is asking too much of it.
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As much as this is fun to watch, it behooves me to point out that you're trying to argue suspension theory and chassis bracing with a guy who's day job is designing suspensions for race cars
That said, a rear strut bar helped add a little torsional rigidity in the back of my wagon, as I can no longer hear the hatch twisting around during hard coornering like I could before....but that's a much bigger car with a much bigger hatch area than WRX wagon. I knew the QR's were a sacrifice, as you can't even tighten them effectively, let alone tension them with Whiteline's conventional threading.
And if you're saying the bar feels stiff, therefore it's helping, think about how stiff your suspension towers feel already......are you able to just swivel those around?
Strut bars are just a minor band-aid fix for larger dynamic issue that can only be effectively addressed with a welded-in, tensioned, triangulated brace.