A 2.4 litre Ecotec with variable timing has to be good news!
"For the new LE5 2.4 liter both cylinder bore and stroke are increased in relation to the original Ecotec 2.2 liter engine. The new engine's bore is 88 mm and stroke is 98 mm, versus the 2.2 liter's 86 mm bore and 94.6 mm stroke, yielding a total displacement of 2,384 cc versus the original 2.2 liter's 2,189 cc. Developed to enhance the low- and midrange torque output of the new engine, the new variable valve timing system uses electronically controlled hydraulic camshaft phasers to alter the relationship of the intake and exhaust camshafts as much as 50 degrees relative to the crankshaft. "
HERE
