I have got a w55 gearbox in my hilux with a custon bell housing with a 1uzfe and I replaced the clutch a few months ago not with a real h.d clutch but thought it might of lasted bait longer than it did.but when I put it in I thought it might of engaged abit earlier than it did.iv been trying to do abit of research before I replace it again is there anything I can do with the release bearing or clutch fork slave or master cylinder?your help would be much apriciated. Cheers wade