A Powerglide has two speeds- - - -too low and too high. The same amount of work is involved in swapping to a Turbo 350 or a 700R4/4L60 with 3 or 4 speeds.
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!