With all due respect wikipedia is not always a stickler for details when it comes to cars.

I have been trolling through content over at the old Checker Cab Club site. Their home page is offline but cached links to .pdf content are still hot (thank you google). Here's a brochure for the '69 A12-E which calls out a 2 barrel carb on the optional 350 V8. The 250 just lists a downdraft carb . . .