probably rear wheel hp...the steep hp and torque curve shows why a 355 feels so dead under 5000prm...no hp or torque there!!!!
Is the curve for a 360 not very similar as it is the same engine with a 2mm longer stroke and a different management system ?
It's a chassis dyno. It's 327whp and that's with the NAPerformance manifolds. The stock form is lower.