Posted by dennis on June 13, 2001 at 09:26:53:
In Reply to: Re: Heavy Rotary Valve Caps posted by Mark F. on June 12, 2001 at 19:08:43:
Could you run throught the science of how and why this works please? I must have missed it. Also, can you just clamp weight on to a horns tubing and get a benefit?