im very interested in numbers and cost too mate, my 257 will prob be in for the same deal by the end of next year. dont know whats happened to yours but i think mine is doing the whole 1 cylinder dying.. not dead or close but consumes oil on hard boost. was going to blow it up first but leaning towards what youve done and just getting the internals replaced and a safe tune. what is your power target for the motor? ill be aiming 300-320hp atw, with as much response and torque as possible

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06 sti