GMs Expanding Gasoline Direct Injection Engine Portfolio
Green Car Congress
APRIL 13, 2009
Buick Enclave. Buick Enclave. Buick LaCrosse. The cylinder head has integral cast oil passages that feed a set of internal oil control valves that activate cam phasers, enabling variable valve timing. Cam phasing also provides another effective tool for controlling exhaust emissions. Cadillac STS.
Let's personalize your content