would any one know what the difference between the 120 hp and 140 hp. I have recently put a rebuild long block into my boat. it was the 140 two peice rear main seal block. how would i know that i got the 140 hp long block vs the 120 hp version?
I Just Told you the Crankshaft IS different.............
Instead of beating around the bush,.............
What Exactly are you Trying to Do,..??....