allows you to see into the combustion chamber of the engine and to adjust the mixture simply by the colour you see down. It fits most standard petrol engines<\/p>\n
The Gunson Colortune is a unique mixture setting device and a detector of other mixture related problems. It is a sparking plug, which runs the engine like any normal sparking plug, but because it has a glass insulator, it allows the colour of the combustion flame inside the cylinder to show through it, thereby indicating the strength of the mixture or other faults.<\/p>\n
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