On any engine, EGR is to improve emissions by taking exhaust and feeding it back into the intake,this had been pretty standard practice at least since the early late 80's early 90's(mostly on diesels back then then) you will find alot of EGR engines are just like the M111 with internal EGR instead of the external valve and pipwork around to the intake plenum. having infinitly adjustable actuators on both cams would be much more ideal so that volumetric efficiency can be shifted based on RPM/load.
You need to degree your engine or have it degree'd...speak with cam designers/builders...follow there recommendations...this is the best thing you could do...so do it =)Point in my remarks was, how can we say for sure the affect cams have on the engine if, given the specs of the 'race cams' i have and no one knows if that makes the overlap worse.
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