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Ignition Timing

Set ignition timing with engine at specified idle RPM and distributor vacuum hose connected. If timing is incorrect, adjust distributor to achieve specified timing. See Fig 1.

Fig 1: Ignition Timing Mark Location
G09326474Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC
IGNITION TIMING SPECIFICATIONS

Application RPM
1974 Models 750 4°ATDC
1975-77 Models 750 10°BTDC
1978-79 Models
  Federal 750 10°BTDC
  California 750 4°ATDC