The answer is 235hp. I have built 3 such engines and all three were dyno'd at 235 give or take 1hp. I think the reason the factory 3.0RS is at 230 is that the intake ports are smaller than those of the SC's (39mm intake). My friend the Mechanic claims he got 300hp from this combo. Claiming that 15hp alone came from adjusting the valves and intalling double springs. He must be one of those people that believe that a chip gives you 25hp. (This is only true on 928S4s).
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