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It is a flow limitation, but there was another thread where somone vowed they were flowing the head. Which never happened of course, and probably never will, but that is the data we need.

Additionally the cams are typical GM conservative. Like look at GMs 275 Horse port fuel 3.6 V6, and take a look at The VQ 3.5 The VQ can go up to 304 horse. It has variable lift, AND the duration is like 250, as opposed to Gms 218/222 crap.

	Beau Member Join Date: Jun 2006 Location: Poughkeepsie, NY	It is a flow limitation, but there was another thread where somone vowed they were flowing the head. Which never happened of course, and probably never will, but that is the data we need. Additionally the cams are typical GM conservative. Like look at GMs 275 Horse port fuel 3.6 V6, and take a look at The VQ 3.5 The VQ can go up to 304 horse. It has variable lift, AND the duration is like 250, as opposed to Gms 218/222 crap.