The factory Two-Valve PI cams spec out at 0.512/0.540 lift, with duration at 0.050 of 200/204, and a very wide lobe separation angle in the 116-118 neighborhood.

With two valves per cylinder, the original VR6 developed between 172 and 178 hp, depending on the application. But it wasn't this engine's output that characterized it -- it was the VR6's sound ...