Fuel Finder | Fuel Selector

Storing Vintage, Collector, and Muscle Cars

Storing a vehicle for months or even years without any fuel related issues takes two things: the correct storage fuel and the correct storage procedure. Let’s cover the fuel side of things first. All Sunoco race fuels are made from highly refined hydrocarbons which by themselves are inherently...

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Winterize Your Fuel System

The winter season is quickly approaching. This means lots of loose ends to tie up around the garage and equipment that needs to be put in storage until next spring. From a young age I was always taught to drain the gas out of all the lawn equipment and run the engine until the carburetor was...

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Octane Stability: High Octane vs Low Octane Fuels

Octane is the most talked about property when it comes to gasoline. It’s no surprise because selecting octane of gasoline is the only choice the consumer has, except what station to buy it from. In this article we will focus on octane stability of 87 and 93 octane pump fuels versus racing fuels...

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Mixing Fuels and Calculating Octane

We often get these two questions: Can I mix fuels? What is the octane when I mix them? The answer to #1 is easy. Yes, you can mix any of our race fuels. But remember – if your engine needs an unleaded fuel, you don’t want to mix leaded with unleaded. Doing so would make a leaded fuel...

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Race Fuel 101: Lead and Leaded Racing Fuels

It’s been many decades since lead began to be phased out of pump gas. Most racers today don't know what it was like to "fill 'er up" with leaded pump gas.  Understandably, we get a fair amount of questions about lead and why it’s used in some racing fuels. Lead is an element (symbol Pb) and...

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