Just purchased a shorestation, model ss36108a, which has a flat rack. I have a V bottom boat. The shorestation has two cradle pads on the back and nothing on the front beam. I have never seen a boat on one of these. Are those two pads able to hold the boat and should I put something on the front beam? Is there some sort of conversion kit to install bunks on this sort of model? I have looked everywhere and have struck out.