Report "1993 isuzu trooper sohc not sure how to line up cam pullys and or crank pully. oil pump has 3 timming marks 1 is blank at 3 oclock position, the other 2 marks have a 6 and an 8 by them...does number 1 cylinder gotta be up for tdc? and wat about the cam pullys how do thoes go? iam confused help"