Anyone have any input on max towing for a Silverado z71 with the 5.3. The truck is rated for 7400 lbs. I want to get a 26 ft sport cruiser, but am unsure if I am maxed at 24 or 25 ft safely. Most 24's I have looked at have dry weights around 5200lbs. IE Wellcraft and SeaRay. Figuring...