Engine Performance,

Octane and Power,

Race Fuel Basics

Jul 29, 2026

How Much Horsepower Does Race Fuel Add?

How much horsepower race fuel adds depends on what is currently holding the engine back. In the right application, switching fuels can unlock meaningful gains, sometimes 20, 30, or more horsepower ...

Articles about Engine Performance

How Much Horsepower Does Race Fuel Add?

100 Octane Gas: What It Is, Who Needs It, and When It Makes Sense

Understanding Octane: How to Pick the Right Rating for Your Racing Engine

Tuning Tips for Getting the Most Out of Sunoco Race Fuels

Choosing the Best Winter Race Fuel for Performance and Storage

Late Models are Weird Cars with Atypical Fuel Needs

Beginner’s Guide to Upgrading from Pump Gas to Race Fuel Here...

What You Really Need to Know About Fuel Additives

Leaded Race Fuels Explained: Diving Deeper into Leaded Race Fuels

Introducing Cyclone 17: Sunoco’s New 117-Octane Fuel for Performance and Consistency