You will find angular alignment reference details to the timing belt system in the shape of a little protrusion within the oil pump and also the matching notch eliminate from the timing belt generate pulley’s rear flange. For no explicable reason the timing marks / notch within the Blacktop engines https://zionybbzy.blogadvize.com/39418920/the-fact-about-4age-20v-for-sale-that-no-one-is-suggesting