In a message dated 6/14/2004 2:04:49 PM Central Standard Time, UltraMonzaWest@aol.com writes: if you do not "rev" it over 30000...you won't hurt anything... I recommend NOT revving it over 30000 even after the valves are adjusted, you might hurt yourself with flying parts (G) Ned (Filling in for Chuckster and TLH)