I suppose all the 55/56/57 Chevy cast iron 3 speeds that just hung out there in space with no rear support had the same problem? I've never seen a loose bellhousing on one of them in nearly 60 years of wrench jockeying.
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!