Quote Originally Posted by zebra View Post
use the 5.3 flexplate & make sure it's on the right way. i don't think they'll go on backwards, but there's no harm in checking
Do they have diffrent style 5.3 flex plates? The one that was on the motor looks a litte flat compared too the 4.3 one. Also where the Converter goes into the motor, the hole isnt as deep as the 4.3 motor does that matter?