Thunderhill 5 Mile -

Another fateful day at Thunderhill in the full 5 mile configuration. 39C/102F ambient temperature.
Unfortunately the coolant expansion tank exploded one lap later :(
Partially my fault for pushing as much in the heat, partially just really old parts.
‪@AndyEchenique‬ leading in the gray Cayman.
2006 BMW Z4 3.0si Roadster E85
225/45/17 Hankook RS-4 (4th track day)
-3.1F/-2.2R camber with Vorshlag camber plates, 0F/0.10R toe
MILVs
Kassel performance tune
Wavetrac LSD and 3.64 diff gearing
9LR wing
DIY splitter, chassis mounted, 5.5" above ground, 0 AoA
DIY CAN bus data logger: github.com/pudelkoM/RaceChronoBleDevice
Koni yellow shocks (rebound 3/4F, 1R)
550lbs F, 500lbs R springs
Stoptech Sport brake pads
H&R swaybars (front: softest, rear: stiffest)

[@cgong5321]

respect for driver 💙💙