Just happen to have two carbs opened up.
The 67 'B' model for a 292 has a #72 jet in it.
The 65 'BV' for a Chevelle 230 has a #59.
From checking my 64-65 Chevelle parts book it looks like 63-65 230's could have had #58,59,or 60 jets depending on specific carburetor number.