That would be placing on them a label that did not exist in their day, used to describe a movement that did not yet exist.Hmmm, personally I believe that people like Wesley and George Whitefield to be true Evangelicals.
Calling them evangelical would be something like saying they approved of the use of commercial radio to spread the gospel. If they lived in the age where commercial radio existed, I'm certain they would support it, but it is ascribing approval of something that was unknown to them.