Depending on if you are a fan of this genre, this looks like it would be pretty clean & dependable:
http://www.auto-rv.com/Browse.aspx?AdName=BMI4251517D
Although it may not have as much grunt as you are looking for. But if it's a 305, I'm sure it would hold it's own. I'm about 90 minutes drive away, and would be willing to inspect it, if you were serious interested.