Thanks for the information. The Dawn power wash, and a stiff brush or 2, seemed to clean it up really good. Right now I am going to go the low, less caustic, road right now. I have it cleaned up and will see how long it takes to get sticky again. I may eventually get a wheelskin. The wheel in is excellent shape (minus the stickiness) and I really want to keep the original wheel since the truck is original with the exception of water pump, fuel pump, alternate and radiator. I do believe that heat and humidity are a big part of it. But it is now cooler in Virginia. Although we have constant humidity, it isn't as bad as in the summer. I also keep a truck cover over it and under a carport. Maybe the car cover adds to the problem? Not sure. So, remains to be seen.