There are actually angular alignment reference details for the timing belt process in the shape of a small protrusion to the oil pump plus the matching notch eliminate from the timing belt drive pulley’s rear flange. For no explicable cause the timing marks / notch to the Blacktop engines are https://blacktop20v4age71470.blogscribble.com/32284348/an-unbiased-view-of-jdm-toyota-4a-ge