They got it right. The ZL1 is the daily driver that you can take to the track. The Z/28 is the track car you can drive daily.
"...Beyond the monster naturally-aspirated engine, the Z/28 features unique shocks, tires, brakes, suspension tuning, and a comprehensive and strategic lightening that ditches many of the niceties found on "consumer-grade" Camaros in pursuit of maximum performance. Even air conditioning, which most of us now take for granted as standard equipment even in the lowliest econoboxes, is offered only as a stand-alone option in concession to the Z/28's limited dual purpose as a street car.
As Camaro chief engineer Al Oppenheiser put it, this is "the fastest road-racing Camaro possible that's still street-legal."..."
Read more:
http://www.motortrend.com/roadtests/...#ixzz2Onh4IMe8
Also read this, you'll understand afterwards:
http://www.gm.com/article.content_pa...echnology.html