Did the ZR1 start off on race tires and them more to treaded tires? Seems to me like it did..
Anyways, I sure couldn't shake it.. then again I'm a hack on the road course
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"A ship in port is safe, but that's not what ships are built for."
See Bad Penny run the cones:
https://www.youtube.com/watch?v=8GUPPIX-92U
1971 Chevelle Wagon - Roadster Shop Chassis ProCharged Shafiroff LS and lots of yada yada
1968 Camaro - Project Track Rat - 440 RHS LS