SouthWest Research Institute

Nationally Recognized Independent Research Laboratory in San Antonio, TX

Test Data of FP PLUS

Independent emissions and MPG testing.

*Note: Test run after only 500 miles of conditioning.

J1321 test using 3 class 8 trucks using the same family of DD60 series engines as the test engine recorded fuel economy improvement as high as 3.38%.

The SWRI /EPA DD60 series engine tests confirmed FP PLUS was able to decrease recorded BSFC -Baseline Specific Fuel Consumption by up to an average of 2.62% on test truck 520 and .75% on test truck 516.
Most interesting data from J1321 test was on 6 laps on test truck 520 each lap used less fuel than the lap before while the control truck was inconsistent as shown below. Fuel consumption is measured in pounds consumed.

Our product range

FP60 Starter Kit

1 Quart each of FP 60 and LC 20. Treats 160 gallons of diesel or gas...


FP Plus Starter Kit

 1 Quart each of FP Plus and LC 20. Treats 320 gallons of gasoline and 1...


FP60 32 OZ

Treats 160 gallons of Diesel or Gasoline at a treatment rate of 1 oz to 5...


LC20 32 OZ

Treats oil with an initial rate of 1 oz  per qt each oil change.  Maintenance rate...


FP PLUS for Gasoline (quart)

Treats 320 gallons of gasoline at a rate of 1 oz per 10 gallons. Made from...


Measuring bottle16 oz

16 ounce measuring bottle ideal for use with gallons.



Engine Analysis performed with Cummins demonstrated approximately 5% improvement in Horsepower.



Test performed with the city of Mexico City showed significant reduction in Emissions with Auto’s and Diesel Trucks.