Do I Need a Bushing for the TC for a 273/318 Swap?

I saw both of the cranks our buddy has last summer when we were dealing with that. Along with a few other standard cranks from his and my 340 and 318. It’s not really surprising. It’s just like the mystery K frame post from the other day. Why the heck would 2 of us in different parts of North America have biscuit mount pass through sway bar A body K frames? Mamopar was like let’s just pump out the cars and let these jokers figure this crap out in 50 years... LoL