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Old 05-18-2013, 10:52 PM   #145
Can't stop ***ifying
NightmareZL1's Avatar
Drives: Ashen 2013 Gray ZL1
Join Date: Dec 2012
Location: Honolulu, HI
Posts: 273
Originally Posted by ShnOmac View Post
Tires are very important but I think a lot of people are only focusing on what they want to.

This to me is much more important than just tires....

“We used the very best components in the industry to deliver uncompromised performance, lap after lap,” said Mark Stielow, Camaro Z/28 engineering manager. “We made nearly 200 changes to improve the track performance, which cumulatively make the Z/28 capable of 1.05 g in cornering. For perspective, with all other things, equal increasing maximum grip from 1 to 1.05 g can cut up to four seconds per lap.”

The Camaro Z/28 is the one of the first production cars fitted with race-proven, spool-valve dampers. Compared to a conventional damper that offers only two-way tuning for bump and rebound, a spool-valve damper allows four-way adjustment to precisely tune both bump and rebound settings for high-speed and low-speed wheel motions. The wider tuning range allowed engineers to dramatically increase the damper stiffness on the Camaro Z/28 without a significant change in ride quality. Additional chassis changes include stiffer string rates and suspension bushings for improved cornering response.
The very best components in the world are of no use if that component enabled heavy ass car cannot stick to the road. Both the z28 and the zl1 share this problem of physics. The issue is that gm fixed the traction issue on only one of them, and then announced that one is faster. Hmmm. Again this tread is about that 3 second difference, and as you posted about above, a 0.05 g difference cuts up to four seconds. Have you ever raced with race slick versus street tires, I have and slicks make street tires feel wet all around the track. You just helped my argument with the 1.05 fact. Thank you. Come on GM, put a set of trofeos on a 2013 zl1 and tell us how it goes.....
Rotofab, grinding rear diff sound forever, dealer replaced supercharger - now i have a rattle when starting from a stop, ordered 2.35 lingenfelter pulley, hp tuner, belt, 100mm idler pulley, tr7IX spark plugs, wideband kit, long tubes with no cats...hoping for 650hp. dyno with rotofab = 518hp
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