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Ignition Timing: 1976-78

  1. With engine at normal operating temperature, ensure point gap and idle speed are set to specification. Connect timing light to engine. Remove rubber plug from retard side of distributor vacuum unit (dual diaphragm distributors).
  2. Start engine. Use a Phillips screwdriver or loosen distributor nut and turn distributor as necessary to adjust base ignition timing. See Figure. On models with dual diaphragm distributors, reinstall rubber plug and check actual ignition timing.
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