4.11 ratio axles in 3/4 tons were almost always used behind automatic transmissions. The odds of finding a 4 speed with the right speedometer drive are pretty slim.
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!