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Home >> Land Rover >> 1990 >> Range Rover (LH) V8-3.9L >> Repair and Diagnosis >> Powertrain Management >> Ignition System >> Ignition Timing >> Adjustments
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Ignition Timing: Adjustments

1. Check that Ignition Timing is at 6° ± 1° BTDC.
2. Timing to be checked when engine speed is less than 800 rpm using a stroboscopic lamp.
3. If adjustment is necessary, loosen the distributor clamp nut and rotate clockwise to retard or counter-clockwise to advance. When the required setting has been attained, tighten the clamp nut and re-check the setting.


NOTE: Timing to be checked with vacuum hose connected.