For Anyone wanting info on Tundra 5.7 Ltr. towing info? I just pulled my Jayco 24 RKS up a 13% grade at 60 mph( Tow/Haul mode "on" ) with an E-2 Hitch. Trailer felt like it wasn't even there! Oh by the way, Tundras are built in San Antonio, Texas! Love this Truck!