I have a question about the pushrod size, I have a 5.3 and a 5.7 both with the same diameter pushrods and blabla they look the exact same and Im woundering if I can interchange them, I think someone was tryina bs me into buying some bs to check if there the exact same, he worked for summit racing and said "it could be a difference to small to see with your eyes" but Im just lookin for some solid intellegent facts, Fck a tool and all that wasted time. Anybody know? You would think they would be the same.. but im lookin for some vortec knower of all to tell us whats up

 

stock is 7.4 on both.

 

savage, thank you!!

 

7.4 is sae