Something to quiz those in the know about. While out over the weekend in the Z I've noticed that the oil pressure gauge is reading quite high between 2/3 to 3/4 while on the throttle (a lot of motorway cruising). As soon as I stop at the junction or anywhere just idling it drops back down to well under the half way mark. I've got no idea how accurate the gauge is or not however its got me somewhat concerned.... I checked the oil level when I got back this evening at it was at the usual point on the dipstick and levels seem fine. Anyone got any advice or ideas as to what could be going on?