1991 Toyota pick-up timing belt replacement settings

how many splines away from to dead center should the timing mark be? this is a1991 toyota pick-up,v-6 3vVZ-E 4 =-WHEEL DRIVE. I LOST MY TIMING MARK ON THE CAM-SHAFT. I NEED TO KNOW HOW MANY SPLINES AWAY FROM TOP DEAD CENTER THE TIMING NOTCH SHOULD BE.

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@flagjim start off by telling us what engine this is

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