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Quote:

Originally Posted by DreamerDave

More answers but new questions:
Is this right? As I interpret it, their Variable Valve Timing does only that, it advances and retards the intake and exhaust cams at higher RPMs and changes overlap. There's no change in lift or duration. and it does it with the oil pressure?

If it is set up like GM's other current systems it will vary at all RPM's to get the most tourqe possible and it will do it by actuators mounted to the front of the cams that are driven by the chain.

	Rik Founding Member Join Date: May 2004 Location: Lousiana	Quote: Originally Posted by DreamerDave More answers but new questions: Is this right? As I interpret it, their Variable Valve Timing does only that, it advances and retards the intake and exhaust cams at higher RPMs and changes overlap. There's no change in lift or duration. and it does it with the oil pressure? If it is set up like GM's other current systems it will vary at all RPM's to get the most tourqe possible and it will do it by actuators mounted to the front of the cams that are driven by the chain.