So, in theory, the A12’s could have almost any carb that predates the day it was shipped out?. And not necessarily even dated closely together? It seems the carbs and intakes I have bought over the years have had the outboards all closely dated but some of the centers are way off. Now the 70 440s and 340s I have are all pretty close. Do we know the dates the cars were actually made and does the vin number tell us anything about that date? I’m waiting for the dates from Dave Carsons car. His car and mine were unloaded from the transport the same day in 69 by a friend of mine.