"Peter L. Peres" wrote: > You might remember old b/w movie > scenes with Oliver & Hardy and old automobiles that made big booms when > being started/stopped. The scenes were exagerated but relied on real > facts. I've seen some exagerated episodes such as blowing mufflers apart and right off the exhaust system. My ol' 48 Harley loved to backfire twice when the throttle was closed. It did it so loud one day that I saw people jump more than 300 yards away :-) -- Best regards Tony mICros http://www.bubblesoftonline.com mailto:sales@bubblesoftonline.com -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.