Got Dyno Fever? Don't Be Fooled!
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7. This Dynojet chart is printed in an optional format in which the air/fuel ratios are listed along with the horsepower graphs. Sometimes the air/fuel ratios are located below the power graphs. Ideally, you want the engine's air/fuel ratio relatively flat. Maximum power will be produced when the A/F is near 13:1 (13 parts air to 1 part fuel) while best fuel economy is typically slightly above 14:1. View Related Article
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