Hi guys! I just bought a new turbo from subaru wrx it's a TD04L. Have a problem with it, I just installed it, but it's smoking.... I'm using motul 5w40 100% synthetic. He only smoke with the turbo is on full boost, or when I'n under compression.... I do not know, if can be the oil restrictor? suppose has to be a M10x1.5, but I done really know.. Maybe you guys can help me, Thanks!