2017 test3 productsFuel & Additives
Which Small Engine Fuel Brand Wins?
We compared 3 small engine fuel options head to head. 50/50 Gas-Diesel Mix came out on top. See the measured results, the runner-up, the budget pick, and a link to the full test video.
Winner
50/50 Gas-Diesel Mix
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The measured results
Every number below is read straight from the test. Scroll sideways to see all measurements. Products are listed in the order they finished.
| Product | Outcome | Composition |
|---|---|---|
| 1100% Diesel | not successful; the engine ran for a while, then started blowing a lot of smoke, and flooded out | not tested |
| 250/50 Gas-Diesel Mix | successful; the engine ran the entire contents of the tank to completion | not tested |
| 3Mothball + B12 Chemtool + Diesel Mix | did not work | approximately 16 oz of diesel, about half an ounce of B12 Chemtool, and one mothball dissolved in a small amount of acetone |
How it was tested
- compression test (baseline, before diesel testing; no specific numeric result stated in the transcript)
- run-to-completion test of each fuel mixture in the same small gas engine
- side-by-side burn comparison of gasoline versus diesel poured on cardboard and ignited simultaneously
“I have to admit, I'm really impressed that the 50/50 diesel-gas mix worked.”
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