That position of the rotor can all also be changed by moving the position of the drive gear. [Lift it up, turn it and drop into different position] Factory has the slot pointed towards #1 cylinder. Obviously, that is where the rotor should point when that cylinder is at TDC. Attachment of the wires has to be in the correct firing order on the cap. However, can be anywhere. [Would have to turn the distributer to compensate]