Sioux Fall’s Favorite Racing Oil DOMINATOR 15W-50 Synthetic

Scott Douglas: Trust It

This is the winning edge! So many stories from our customers involving that last lap. One winning after losing the water pump. This is what it was designed to do! Honestly you don’t want your competition to know about our 15W-50. See the customer remarks below.

Provides superior performance and maximum protection in high-performance and racing applications. For this reason, DOMINATOR is engineered from advanced synthetic technology to better whether higher rpms, extreme temperatures and constant shock-loading typical to top level to racing applications.

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AMSOIL Dominator Synthetic Racing 15W-50 Overview

AMSOIL DOMINATOR® Synthetic 15W-50 Racing Oil (RD50) provides superior performance and maximum protection in high-performance and racing applications. Likewise the DOMINATOR Racing Line of synthetics are engineered from advanced synthetic technology to better withstand the elevated rpm, high temperatures and shock-loading common to racing applications. Its robust formulation, tested and validated by championship race teams, is designed to provide maximum horsepower without sacrificing engine protection. DOMINATOR provides straight-grade protection in a multi-grade formulation.

AMSOIL, the leader in automotive synthetic lubrication, produced the world’s first API-qualified synthetic motor oil in 1972. Trust the extensive experience of AMSOIL The First in Synthetics® to do the best job protecting your engine.

Replaces the common 20w-50 or SAE-50. Our 15W-50 is an improved viscosity over traditional 20w-50 formulations. To clarify, there is no compromise.

Download Dominator Racing Line Product Data Bulletin

Buy in the Sioux Falls AMSOIL store at 47073 98th St. or use this Online link to the Amsoil sale page if you are outside of the area.

AMSOIL, the leader in automotive synthetic lubrication, produced the world’s first API-qualified synthetic motor oil in 1972. Trust the extensive experience of AMSOIL The First in Synthetics® to do the best job protecting your engine.

Anti-Wear Formulation and high-performance engines are typically modified to deliver maximum horsepower and speed. Their powerful designs create shearing forces that can cause lesser oils to lose viscosity, leaving bearings, pistons and other components vulnerable to wear and failure. DOMINATOR Synthetic Racing Oil’s durable formulation resists viscosity loss due to mechanical shear to maintain a strong protective oil film. It is heavily fortified with zinc and phosphorus anti-wear additives to provide additional protection against scuffing and wear in severe racing conditions (see results below).

The piston crown contains normal carbon, while the rings remain clean and functional. Note the absence of wear or scuffing on the piston skirt.	The camshaft shows little-to-no scoring, bluing or wear after 3,000 miles of high-performance racing.

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Dominator 15W-50 Yields Maximum Horsepower

The excessive friction and heat of racing robs engines of power and longevity. DOMINATOR is formulated with a proprietary friction modifier for maximum horsepower and cooler engine temperatures, promoting improved lap times and longer-lasting components. Subsequently, you will be aware of the better running engine instantly.

• Formulated specifically for racing & high-performance engines
• Robust formulation resists viscosity loss
• Proprietary friction modifier maximizes horsepower & torque
• Fortified with anti-wear additives for extra protection

Protection From Startup to the Checkered Flag

DOMINATOR provides maximum protection in temperature extremes. Its low pour point offers excellent cold-start protection and provides less drag when the oil has not reached stable operating temperatures. At elevated operating temperatures, it maintains superior film strength. DOMINATOR’s thermally stable synthetic chemistry resists the effects of intense heat common to racing engines to provide reliable protection for the duration of the race.

Racing is Research™

The AMSOIL Offshore Racing Team has claimed many national and world championship titles in several different categories of racing, and AMSOIL 15W-50 DOMINATOR Synthetic Racing Oil has been key to its success. After a full racing season covering 3,000 miles of extreme driving, a teardown of one of the team’s Mercury® 525 EFI V-8 engines revealed clean, virtually wear-free components.

In addition to the racing oil’s endurance, we occasionally or more often I should say, hear feedback that our customers are running the oil for several races. This is a result of monitoring the condition of the engine using a Oil Analysis program. They are seeing that the oil has much of its life left. We’ve had customers actually point out that’s was the reason for continuing the use of AMSOIL. Yet the most common reason for sticking with AMSOIL racing oils are the “Seeing is Believing” results in how the oil pressure holds up in extremes and the engine held together in the last lap able to git it her all!

Commercial Availability

Many oil companies produce specialty racing oils for elite groups and do not offer them to the general public. All AMSOIL synthetic motor oils are already formulated to a higher level of performance than competitors’ oils, and AMSOIL DOMINATOR Synthetic Racing Oil is no exception. It provides maximum performance and superior protection to all racers, regardless of their level of competition. The same AMSOIL DOMINATOR Synthetic Racing Oil available here in Sioux Falls is used in the engines of AMSOIL corporately sponsored racers, including Scott Douglas, Chad Hord and Brad Lovell are available to everyone.

APPLICATIONS

DOMINATOR 15W-50 Synthetic Racing Oil is recommended for asphalt late model, dirt late model, modified big block, endurance, rally, sprint, truck-pull, aluminum block, marine and other high-performance racing and street applications that require a 50-weight oil.

Oil Analyzers Inc®. (715-395-0222) is a division of AMSOIL that provides cost-effective, quality oil analysis services. For more information on product applications and service life,, refer to the AMSOIL Product Recommendation and Drain Interval Guide (G1490).