You've still got quite a bit to learn. The japanese supra is a LOT different then the US one. The ECU sucks, it only has 485cc injectors, smaller cams, smaller turbos, and a mess of other stuff. The J-Spec supra sucks. Also, all cars in japan are rated at 280ps. So when the skyline gets that kick ass AWD Launch then turns to pure RWD, DUH, of course the supra isnt going to catch up. Lets see it from a roll tho. =)