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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 [...]

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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 and what [...]

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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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Specific Gravity – What Is It And Why Does It Matter?

Specific GravityDefinition: specific gravity (noun) – the ratio of the density of any substance to the density of some other substance taken as standard, water being the standard for liquids and solids, and hydrogen or air being the standard for gases.For fuels, specific gravity can be determined by dividing the density of the fuel (in [...]

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Fuel Metering Basics for Oxygenated Fuels

We get a lot of questions about fuel metering changes required for oxygenated fuels… and that is a good thing, because racers should be asking those questions.Luckily, the answer is not necessarily complicated.Let’s look at Sunoco EXO2 for instance. It’s a good fuel to use as an example because it contains 10% (by weight) oxygen. [...]

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Race Fuel Storage

Race fuels generally last longer than typical pump gas but often times race fuel is stored for several months between racing seasons. Here are a few good tips to keep fuel as fresh as possible from one season to the next:Keep containers tightly sealed. This will minimize the loss of certain components in the fuel [...]

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At What Temperature Does Diesel Fuel Gel?

Do your fuel problems actually stem from diesel gelling or another winter problem? As temperatures decrease and we make our way into the winter season, owners and operators of diesel equipment may find themselves with a huge problem. Either their equipment won’t run, or it may run ineffectively, potentially stopping in the middle of the job. While winter has [...]

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Beyond Octane

Overheard at the local track:“High octane fuels burn slower.”“My motor doesn’t need all that octane so that fuel won’t do me any good.”“I need the highest octane so I can max out my timing.”Unfortunately, those statements are not always true. As a matter of fact, those statements only have some merit in the street gas [...]

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Alcohol and Octane

Alcohols like methyl alcohol (methanol) and ethyl alcohol (ethanol) are often used in race fuels. Sometimes they are a small part of the fuel and sometimes they are a primary component of the fuel. Methanol is commonly used “straight” – that’s why it’s called racing alcohol by many. Ethanol can also be used straight, and [...]

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What does AW Stand For?

When it comes to the different types of hydraulic oil, AW is one of the most commonly-used. But what, exactly, does the "AW" in AW hydraulic oil stand for?Defining AW Oil and its Components Quite simply, AW stands for"anti-wear" and the ISO classification for AW oils is —HM. " These oils provide protection to hydraulic machinery [...]

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