https://www.nissanraceshop.com/produ...-370zbrakerace
Scott@FontanaNissan sold me mine and is a vendor on here.
At the very least change your fluid.
Also change out the clutch fluid with a higher temp fluid, I've got Motul 600 in there. Otherwise you might boil it from heat transfer from the brake fluid. Check out
http://www.z1motorsports.com/g37_370z/product_info.php?cPath=597_804&products_id=4691
For tire pressures 35 psi hot. Expect it to go up 2-3 psi with mostly nitrogen in there on the track.
--imho
Z1 Motorsports 370Z/G37 Oil Cooler Kit