Sorry Roy, I didn't put that very clearly. The redline of my engine after it's built will be much higher than it currently is, by roughly 2000rpm. This means that when I build the engine, if it was stroked at the same time, it is possible that I could still increase the rev limit over the current 5000 odd. If the engine was stroked, it is possible that it won't rev to 7000ish very happily, but it will still rev higher than it does now. Does that clear it up?