Originally Posted by BGTV8

RJN Motorsports in the UK claim 440hp out of their GT4 370Z race car .... with replacement induction system, cams, ECU and headwork (to remove VVEL).
They have no said so, but I suspect they are using GT300 series NISMO heads and NISMO cams. My research tells me this wil deliver ~440hp @ flywheel but not much more.

RB