Don't over-rev it, about 5500 or below is plenty of RPM. Make sure you keep it cool, good radiator and water pump, hoses, etc. 400's do not like to be overheated!
Jerry


"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!