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Home >> Mazda >> 1984 >> RX-7 GSL, Automatic >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Adjustments >> Ignition Timing
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Ignition Timing

  1. To adjust leading timing, loosen distributor lock nut, and rotate distributor housing until correct timing is obtained. See Fig 1.
  2. To adjust trailing timing, loosen the screws securing the trailing vacuum unit. Move the vacuum unit outward (to advance) or inward (to retard). Retighten screws when correct timing is obtained.
Fig 1: Adjusting Ignition Timing. Distributor position determines leading timing. Vacuum unit position adjusts trailing timing.
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