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What Is the Difference Between Avgas and Race Fuel?

Marcus Vance • • 6 min read
What Is the Difference Between Avgas and Race Fuel?
★ Key Takeaways

Avgas Has a Lower Specific Gravity Than Most Racing Gasolines. This Means That If a Racer Tries Avgas and Has Not Re-Jetted, He Can Burn a Piston Because the Air-Fuel Ratio Is Too Lean and/or the Engine Detonated. to Make a Good Comparison Between Two Gasolines, the Air-Fuel Mixtures Must Be the Same.

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Direct Answer • Key Takeaway

Avgas Has a Lower Specific Gravity Than Most Racing Gasolines. This Means That If a Racer Tries Avgas and Has Not Re-Jetted, He Can Burn a Piston Because the Air-Fuel Ratio Is Too Lean and/or the Engine Detonated. to Make a Good Comparison Between Two Gasolines, the Air-Fuel Mixtures Must Be the Same.

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Marcus Vance
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Marcus Vance

Marcus Vance is a cybersecurity auditor and technology writer dedicated to educating the public about online safety, data privacy regulations, enterprise security, and emerging cyber threats.