Yep- - - -you're combining a car transmission with a truck bellhousing. Just put nuts inside the bellhousing and screw 1/2-13 bolts into the lower holes in the transmission. Problem solved! Use lock washers under the bolt heads and/or blue LocTite on the threads when you install those lower bolts.
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!