Posted for "Bob B." <rbelshe@comcast.net>:

 Walter, I'm confused.
 
 Since we have a steady state situation, same amount of air going out that is
 going in, what
 difference does the volume of the space above the cylinders make?
 
 Thanks
 Bob Belshe
 L235/320
 Running cool with Lancair 320 baffling kit.