We have installations in which the Super FuelMAX is working well at three feet from the combustion chamber. Yes, it will work on gasoline, diesel, but the percentage of improvement differ from one type to the other. Gasoline - All octane levels. Make sure you check your mileage before you install the Super FuelMAX . Mileage is the sum of the total miles driven divided by the amount of fuel used.
Most people believe they are receiving better mileage than they actually are.
After installing the Super FuelMAX we suggest that you drive 1500 miles of normal driving before checking for improvement. Remember it took thousands of mils to build up these deposits in your engine. The Super FuelMAX should not be placed in close proximity to the point of exhaust. No, you should not have to make any adjustments to see an improvement. Install according to the package instructions.