Getting the ignition timing of your classic's engine right is a critical part of getting it to run properly. Get it wrong and you can adversely affect performance, economy and even engine longevity. Get it right and you can enjoy smooth, responsive and practical classic motoring.
But now that the leaded fuels our cars were originally designed to run on have been withdrawn from garage forecourts and replaced with chemically different unleaded petrol, vehicle owners handbooks can no longer be relied upon to provide accurate ignition timing figures.
The following tutorial explains how to set up a classic engine to make the most of modern fuels and minimize the risk of damage to your engine.