DirtyErnie
Renaissance Hick
Increases overlap, tightens Lobe Separation Angle. Probably pushes (or tries to push) tq/hp higher in the RPM range and makes the engine idle a little more 'rumpety'.
Or wrecks your torque curve if the other valve events and engine physics aren't correct for the later exhaust close point.
Or wrecks your torque curve if the other valve events and engine physics aren't correct for the later exhaust close point.