Quote:
Originally Posted by AFB24911S
I have an RS rear sway bar, the stock front sway bar, 21mm front torsion bars and 27mm rear torsion bars with Elephant Racing poly bronze bushings all around. I love the car exactly as it is. I had it corner balanced and aligned by a race shop; worth every penny.
The most important part of my suspension system was the digressively-valved, matched & calibrated shocks from ER: after 500 miles of bedding in, they were absolutely perfect. They offer compliance over bumps and taut handling in corners. Expensive, but stupendous. They were paired to each other and adjusted for my torsion bar choices.
Regardless of how stiff you choose to go on the torsion bars, I strongly recommend that you have your shocks matched to each other and tuned to match your torsion bars.
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I agree wrt the shocks, I have revalved digressive Bilsteins on both of my cars, The 911 has the Vonn's from Elephant and they are great.
But the O/P has gone a different route w/ the KW's They are a very different animal from the Bilsteins, certainly more comfy but w/ less precise control.
choosing t-bar rates is a 2 edged sword, stiffer leads to better geometry control, if you are going fast enough to need it, but it also entails mechanical grip and ride quality degradation. The question is are you going to be going fast enough for a great enough % of time to take the loss w/ the win.
If the car was being tracked a lot then sure 21/27 or even larger makes a lot of sense
An other thing to consider is that w 4x 6 & 185/70 tires the car starts off w/ a very low level on mechanical grip. Add to that the large sways which can double the wheel rates all by themselves
