Gasoline + diesel
One concentrated formulation for supported non-aviation engines.
MaxDx1 for personal engines
One fuel enhancer.
Multiple ways to use it.
Explore MaxDx1 for supported gasoline and diesel vehicles, motorcycles, boats, generators, two-stroke engines, and engine oil.
Fuel + engine oil
The same liquid is used under separate dosing instructions.
Cleaner operation
Helps address deposits, smoke, friction, and fuel-system cleanliness.
Practical performance
Helps support fuel economy, lubricity, and engine performance.
Consumer applications
Choose the engine environment.
Each page gives application-specific benefits, instructions, boundaries, and the right next step.
Cars & Light Trucks
Supported gasoline and diesel road vehicles, including pickups and light trucks.
Motorcycles & Powersports
Motorcycles and supported two-stroke applications with carefully measured doses.
Boats & Recreational Marine
Supported non-aviation gasoline and diesel marine engines.
Home & Standby Generators
Portable and standby gasoline or diesel generator applications.
Engine-Oil Treatment
Use MaxDx1 in engine oil at every oil change under its dedicated dose.
Use it correctly
A concentrated product demands accurate measurement.
Base the dose on the actual amount of fuel or oil being treated. Smaller tanks may require fractional-ounce measurement.
First fuel tank: 2 fluid ounces per 10 U.S. gallons
Every fill after: 1 fluid ounce per 10 U.S. gallons
Engine oil: 1 fluid ounce per quart at every oil change
Clear boundaries
What MaxDx1 is—and what we do not claim.
MaxDx1 is marketed as a fuel enhancer and fuel-and-oil lubricity product. It is not promoted as a replacement for manufacturer-required premium fuel.
Follow the fuel grade required by the vehicle or engine manufacturer
Do not use consumer claims as universal performance guarantees
Aviation applications are outside current public promotion
Results depend on the application
Engine condition, fuel, duty cycle, dose, weather, load, and test method can all affect the result.
Need help with your application?
Tell us what engine you operate.
Send the engine, fuel type, tank size, and your question. We will help point you to the right approved information.