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Old 08-16-2010, 03:53 PM   #134
radz28
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Quote:
Originally Posted by JusticePete View Post
We ran our Supercar Shootout Camaro vs. Mustang Wednesday August 111, 2010. The CTS-V pads had some fade and were being stressed in our last testing session. We have used Cobalt Friction XR1 and XR3 pads on the Camaro with the SS calipers and rotors with great success. We thought we knew enough about the car and setup and went straight to the track with Cobalt Friction XR1 front and XR3 rear. That was a mistake. The 6 6 pot front CTS-V calipers are more efficient than the SS front 4 pot. With the XR1 in front and the XR3 in the rear we created a brake bias issue. It is always the things you are sure will work that come back and bite you. We went from perfect brake bias to heavy front bias and hurt the braking. The solution is simple. We'll move to the more aggressive XR2 rear pads.

Talk is cheap and track time finds every flaw in the car. It wasn't all that bad, it just bothers me to not have it perfect. The XR2 pads are already on order.
Do you think, overall, the CTS-V calipers in conjunction with the OEM SS rear calipers work okay then? Did the driver comment on whether-or-not this adversely effect the tests at all? I can't wait for the results It's a great thing you guys are doing for CAMARO and the community

Quote:
Originally Posted by Chris_B View Post
I guess it wouldn't have been expected, given the slightly smaller piston area of the CTS-V 6-piston caliper compared to the SS 4-piston caliper. While the V's rotor is larger, it's effective radius is not really improved as the pad is taller, negating the increase in rotor growth. So, not much bias change at all. It looks like the result is 100% pad-related, based on the front pads running slightly cooler due to a larger surface area. But hey, that's what testing is for anyway!

Chris
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