The numbers are from the list with verified dealers and vins.Post what Chrysler historical has for there numbers.And do they have the dealer and vin list also to accompany the vins.They may be still using this 433 440 daytona combo of 294 AT 440 and 139 4 Speed to get the 433 total.And 426 48 AT 22 4SPD=70.For the 503 number.And the Canada adds another 50 cars I believe to the U.S.numbers.To total 553.The Canada 50 is 45 440 and 5 426.Add the additional 45 to 440 US production to make it 478.And 5 additional 426 to the current production 75 total is (478 440 US-CAN( (75 US-CAN 426).(553)