Once you drive a track car to its limit, every second quicker is going to cost a fortune FACT!!!.
The difference is some people can justify spending the money and some people cant. Josh has had a good few years on his current engine, developed his driving skills and now feels its time for a change. How he wants to do that is upto him.
(hard_corejoeboy) Everyone is entiltled to there opinion but if this is not interest to you i dont see the point in posting/following the thread