Graham Jagger wrote:
Have you considered T1 front bar? They do work well on track, and felt pretty good at AX. Or the Pfadt street or fatty. I run T1 bars on the Z06. I have the old style that is not adjustable with heim-jointed end links. I know you can't touch the back one. The newer T1 for the C6 has 3 adjustment holes in it. I believe the bar is 38mm front. It's a fat forker and took 2 of us to get the thing in. The rear is only 28mm. No push with staggered tires. Fairly planted in turns and improved mid turn acceleration nicely. You can still break the rear loose at will in slow turns. It's designed for the T1 springs and shocks but i found with stock C5 Z06 shocks and springs it works well.
Just a thought. Good luck.
We would have bought the Pfadt bar, but stayed away from it for a few reasons. While adjusting on the car without swapping the bar would be nice, the Pfadt bars arms (splined) have had issues with breaking in the past with autocrossers... and they tend not to break at good times (ie mid event). Secondly, the bar is expensive for what it is at $550 for just the front (packaged with a rear is $840, but we can't change rear bars). Addco bars are around $160 -$200 each new and they're selling them to us for $100 each brand new, with 3 sets of heim joint links and all the bushings. So for $300, we end up with a host of swaybars for different applications and can figure out the best one for each site. Changing it on the C6 takes no more than 15 minutes.
The Z51 C6 has slightly softer rear springs than the C5 Z06 (exact same front rates), but has a 45% stiffer rear bar stock, so I think we will be able to go a lot stiffer up front than those with the C5's.
One thing we are struggling some with is the ride height rake. As some people know, the C5 Z06 and all of the C6's (except base suspension) have ride height adjustment from the factory. With the C5's, they try to lower it such that you have 1/4" higher rear height than the front, thus acheiving what's deemed the optimal rake. In the C6, it's unknown what works best. We slammed it to the ground, but after putting zip ties on the shock rods (using Pfadt inverted sport shocks) and found that we are running out of travel up front and are hitting the bump stops. Even with that, the car doesn't seem to push.
For Lincoln, we will put on the different bars and see how this is affected, then adjust as necessary. We're trying not to change more than one thing per event, which is a welcome change
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