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The cool thing with running a turbo is you can cut a corner on the heads, by not "needing" all that port and polishing since it is forced induction. Turbo pressure and cam profile determine how much fuel/air mixture gets to the combustion chamber, not just the VE.
On a revver keep in mind that points can float over 6000 rpm's which could lead to missfiring, electronic ignition cures that. Valves may float also.
One thing that I'm finding out is on sport bikes (very high revvers) some guys epoxy their intake ports to cause a venturi effect and increase midrange. I don't think that would help a VW cause we won't ever see those kind of rpm's. But VW did put smaller valves on their 2.0L bus motors to increase the bottom end torque. I just have been trying to figure out how to use some of the technology from my street bike and maybe make it work on a VW. 750cc, 126 hp, 80 ft lbs 12,500 redline, 4 38mm carbs, lasts 60K+ miles. I do know I want that kind of acceleration from my bug but that will take a little bit of work. Turbo will most likely be the key.
Nick
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