OT, turn the dampener till the slit is at TDC on the tab (#6 compression) & preoil then turn the dampener 3/4 of a turn CCW & preoil the other bank. That'll minimize the time. cut a strip of paper 17.082 for a ruler to go back CCW 3/4 of a turn. EDIT I'm assuming this is a new cam breakin & it'd be beneficial to do #8 then #6 then turn the dampener a slight bit more CCW so you are at 15 BTDC so you can time the dist & be sure to clock the intergear/rotor so you are on the OE #6 plug wire location in the cap (keeping OE order is beneficial). OE #6 might be horizontle pointing out sideways to the pass fender but I ain't sure as I do not know BB's very well