yeah mt8's are old and from what i've herd smeg
i was speaking to a very reputable engine builder who came up from qld, who built about 4 or 5, 300 - 550 rwhp sr20 silvers
autronic sm4, and any motec are the only ecu's he'll ever use and he seemed to know what he was talking about really clever fella he was, works for Toyota now
and with that power figure on the sc14 wouldent it flow more air at the same psi