Plenty of people have used Silverado wheels. The bolt pattern will work, but you will have to enlarge that hub bore. A machine shop can take care of that for you, or if you are feeling frisky, tackle it yourself.
http://www.355nation.net/forum/how-chassis-suspension/18185-how-bore-aluminum-wheels.html
http://www.355nation.net/forum/how-chassis-suspension/18185-how-bore-aluminum-wheels.html