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as far as i know 1mz' have no dizzy (i couldnt find one on mine) i dont think you can advance the timing manually. so if anything its going to be done by the computer.
i adv my es 300 [MY1993] and it works and requires two tools, a timing light and a appropriate tool for the bolts that hold the distributor to the head. I set it to 15. It was at 8. It's stronger in the torque peak area[before it was flatter]. no ping even uphil in 5th gear.