Posted by pistons? on February 08, 2004 at 11:13:36:
In Reply to: venting posted by scottw on February 07, 2004 at 20:34:59:
What about pistons? My rotor horn has all five valves vented and it's great. I love the fexability it gives me. My piston horn is not vented. How hard, expensive would it be. I really only need the first valve done.