well I doubt there would be an issues with having extra overlap of the head, I mean its just extra squish area right? also I really know little about this but I thought it had almost the same bore but a significantly short stroke?
when I meant you lose revability I was being really vauge and I was thinking exactly what you have pointed out, from what I hear theres not a whole lot of point reving it past 6500
The engine at your work sounds like fun