Now you've gone and done it, there's a lot of variables here!
Bore, stroke, rotating mass, port velocities, compression, flame fronts, lobe designs, scavenging, on and on. :hammerhea :hammerhea :hammerhea
This is awful technical for me this time at night I'll have to think about this and revisit when I'm more awake. :messedup: :idea: :idea: