I was told its not really worth doing on its own, better to save the cash til you can afford the pistons, rods and cams, as well as balancing/lightening the crank and gasflowing and porting - looking at around 2.5K, I'm waiting for the warranty to run out on mine, then will be taking it to AJR, he reckons I'm looking at around 150 hp at the wheel, revving to 11500
