Quote Originally Posted by 567234ta View Post
what is the rpm at 70 mph? i am having 4.56's put in mine and probably a 37" tire. ill be getting the same diff covers also. i got the tranny pan which holds an extra 4.5 quarts already, they make some really nice covers. i dont know how well they would do being bashed on rocks compared to a steel cover but they are definitely quality.
Definitely go with the 4.88's, after hearing how Steve's truck acts with the 4.88's and 35's, that is the route I would go especially with 37's. I'm just waiting for the money fairy to visit me so I can put them in mine. He keeps visiting Steve instead of me apparently.