The I6 bellhousing will definitely be different than the one for the Pontiac V8. The obsolete transmission people I have been dealing with for 30+ years is FATSCO transmission parts in New Jersey. Check out their website, and give their tech department a call- - - -they really know what they're talking about!

https://www.fatsco.net/

Good people to deal with!
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!