Puder I towed my boat for a couple years with a 2wd. I only had one day were I could not get the boat out. It was low tied and I had to pull up over a HUGE lip at the end of the ramp. It was not so much that it was 2wd but the 302 just did not have the power. What you can do to help out with the slipping problem is give yourself more tounge weight. I almost never put the truck into 4wd unless I want to pull the boat out real slow and controlled, then it is real nice to have.