It depends on how ridiculous you want to look. Old trucks were designed to run level. The lines don't look right with the body at some foolish-looking angle. You don't get any gas mileage advantage trying to run one downhill all the time.
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!