What is the VVT system on the LH2 Northstar engine designed to do? A. Vary the cam timing of both exhaust camshafts only B. Vary the cam timing of both intake camshafts only C. Vary the amount of...

What is the VVT system on the LH2 Northstar engine designed to do?

A. Vary the cam timing of both exhaust camshafts only

B. Vary the cam timing of both intake camshafts only

C. Vary the amount of valve lift and duration for the sixteen exhaust valves

D. Vary the cam timing of all four camshafts (both exhaust camshafts and both intake camshafts)