I NEED TO IDENTIFY THESE TWO MOTORS. IVE GOT THE CASTINGS OFF THE SIDE. BOTH AT ONE POINT WERE IN MY 79 BRONCO AND IM TIRED OF THE MAYBE ITS A 400 MAYBE ITS A 351M D7TE-A-2-B IS ONE AND D4AE-B2A IS THE OTHER. THE SECOND ALSO HAS 4LI5 UNDER IT ANY IDEAS...?

 

https://www.ford-trucks.com/forums/1...g-numbers.html

That thread discusses the same issue.