There's a Chevy/BOP adapter plate available that allows a swap to be done in either direction. The kit includes a set of spacer washers to reposition the torque converter back from the flex plate to make up for the spacer between the block and the bellhousing so the pump drive isn't compromised.
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!