In a word, NO! It still needs a ground. The rubber-mounted bolts are just there for shock mounts, to keep vibration damage to a minimum. The regulator simply won't work if it's insulated from the chassis.
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!