I'm going to try the Michelins next due to the strange nature of the Goodyears at cold temps and their hockey puck to hot glue change as the temps rise.
'15 Z/28 #325 black a/c & stereo. 2:11 VIR Full 1:45.531 Summit Point Shenandoah Circuit
Advanced Induction cylinder heads & B-3 cam by Race Proven Motorsports...installed by me. 521/441.
'12 ZL1 10.52@131 1.55 60' 2:13 VIR Full (sold)