Wow, we're barley a month in and you guys have done so much already. That PT is going to be a killer Mike. Fred, if anyone can make that combo work, it's you.
I share the same opinion as Andy, I don't think "sleeper" is restricted only to junkers. I think it can also apply (in some cases) to some cars that appear factory stock or normal as well. The point of a sleeper is to make you believe it is something that it is not. Whether it's a rusted and dented junkyard special or a stock normal daily driver, of course which way you go with it depends on the car you are building. In your case I think you could get away with it, if I didn't know it was planned to be a sleeper I think it would fool me.