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Ignition Timing: XJS

  1. With engine at normal operating temperature, disconnect vacuum pipe. Connect timing light and tachometer to vehicle.
  2. Run engine at 3000 RPM and check timing. If necessary, adjust timing by loosening distributor lock nut.
XJS IGNITION TIMING (Degrees BTDC @ RPM)

Application Specification
All Models 25-27 @ 3000