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Bio-based G1 Racing Oil Photo

Bio-based G1 Racing Oil

Race track tested Ultimate Biodegradable G-OIL Bio-based G-1 Racing Oil is engineered to provide superior protection and maximum performance…proven to show less wear and tear on the internal engine parts after vigorous testing on chassis and engine DYNOs. Made with American grown base oils, G-OIL Bio-based G-1 Racing Oil is recommended for a wide range of race engine applications requiring a full synthetic racing oil, delivering the durability necessary for racing engine parts while increasing overall horsepower - as tested by Pro Motor Engines (PME).

{ADD PME MARK} – 2-time MAHLE Clevite NASCAR Truck Series Engine Builder of the Year and 3-time NASCAR Truck Series Champion

As a 30-year veteran of NASCAR competition, Mark Smith knows engines. Smith is the owner of Pro Motor Engines (PME), a leading builder of race engines for all three NASCAR series, and owner of the TriStar Motorsports NASCAR Nationwide Series team.  Building and preparing high performance racing engines is Smith's business and key to his team's success. Starting in the 2012 season, TriStar chose G-OIL, the world's first and only American Petroleum Institute (API) and USDA BioPreferred® certified bio-based full synthetic motor oil for all four of his 2012 NASCAR Nationwide Series cars.

G-OIL was the motor oil for Tayler Malsam in the #19 G-OIL Toyota Camry, Eric McClure in the #14 Hefty® Reynolds Wrap® Toyota Camry, former NASCAR Camping World Truck Series Champion Mike Bliss in the #44 TriStar Toyota Camry and the #10 Toyota Camry driven by former Nationwide Series Champion Jeff Green.

{Insert Image of G-OIL car, Hefty car and Jeff Green car} show Bliss Car.

We put G-OIL to the test on our PME DYNOs and on the track. We saw that running our NASCAR engines on G-OIL produced more power and reduced engine wear in back-to-back tests against the top competitors. The key measures of racing motor oil are horsepower and engine wear, and G-OIL delivers on both counts. That is why we are running G-OIL Racing Oil in all four of our TriStar Toyotas on the 2012 NASCAR Nationwide Series," said Smith.

Smith's engines have won three NASCAR Truck Series championships (2003, 2004, and 2009). He also received the prestigious MAHLE Clevite Engine Builder of the Year award in both 2008 and 2009 in the NASCAR Camping World Truck Series competition. 

G-1’s unique proprietary ingredient called NANO GEODESIC BEARINGS are tiny spherical shaped particles that are postulated to spin at unimaginable high speeds to support adjacent oil molecules to squeeze more precious horsepower out of the engine.

"During extensive testing of G-OIL Bio-base G-1 Racing Oil in our race engines, we have concluded that the oil not only possesses the basic characteristics that we demand in engine oil, but it in fact outperformed all synthetic oils that we currently use. The durability and heat transfer capabilities of the oil were impressive with improvements in the range of 5-10% seen on the track. This, coupled with the reduced friction created less wear and tear on the engine components. These characteristics held together exceptionally well during our rigorous testing on the track and translated to greater horsepower, torque and better fuel economy."
~ Jim Thompson, Head of Kinetic Sunbelt Engines

USDA Certified Biobased Product 37%
Type Renewable/Reusable Base Stock Degree of Toxicity Degree of Biodegradability
G-OIL Bio-based G-1 Racing Oil YES (Renewable Group V + US Group III Base Stock) Moderate HIGH
Meets or exceed USDA BioPreferred standards (+25% bio content)

Available Sizes

1 QT
5 QT
55 Gallon Dr

Available Weights


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