Governors are usually controlled by a special distributor with a speed-sensing device below the breaker plate that closes off the governor throttle plate with vacuum as a preset speed is reached. Unless you also have the correct distributor, you've only got half the system.
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!