The same bellhousing bolt pattern fits almost all Chevy transmissions- - - -Muncie, Saginaw, and some Borg Warner models. It also fits the T-5 overdrive trans with a little adapting for the length of the shaft and possibly a change of the clutch disc to fit a fine spline input shaft.
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!