the engine rotates clock wise, so to advance the ignition timing you turn the the distributor anti-clock wise, so to retard you turn it clockwise. what is said above is if you look at the engine from the o s f wheel, so then if you are adjusting from the front of car looking no 4 cyl' the reverse applies .. the auto data info i have says 20'+or-2'@850rpm... hope this helps. could you tell me where the wastegate pipe goes to on the t piece and from the solenoid to where. ( if u have pics could you please post them as i am in proccess of re building one for me!!!! the guy i got it from can't/won't tell me...PLEASE HELP.