thanks mate. yeh iv got a spare sensor now because on the GT diff the sensor hole is at the front where bolts to gearbox, but on the GTT diff its at the other end along with another sensor that is all conected(dont know wat for?) is there any chance i could get an extended sensor do u know ? iv been told a r33 diff would work because the GT has a r33 rear end? or do u know any1 that would know? shop/diff centre..