Why am i seeing referances to the EJ20 only making 160 whp. Dyno sheets, personal claims, ect. I see them here and there. if its rated at 227 stock, how can this be? I felt it was at least 217 hp. I HAD a Scion tC and THAT felt like 162 hp (W/full exhaust CAI). What is the output of the EJ20 (MY03) TO THE WHEEL?