I would just like to say I have been following this thread and find it very interesting. Please keep posting, I'm sure many of us want to know how things work out.
Too bad you did not do a compression test at the beginning!
When you say you drive the car hard, I would not think it's necessary to 'Red line' it, and I hope you give the engine good time too warm up before 'hard driving'
I would assume an occasional One hour, 60 mph cruise would be adequate? we don't want you getting tickets!