I've run many gallons of both OD & Byrons.
OD makes good fuel. When I was running it, I thought it was pretty good...then I tried Byrons.
I found that my engines ran much more consistent. By that, the temperature was more even from the beginning of a tank to the end AND from running one gallon to the next.
I also found that my engines ran 'cleaner'. It seems like the OD tended to 'load up' and not run as smooth as they did when running Byrons. Stained fuel lines don't really bother me, I want my engines to run good and smooth. I'm a back yard MT basher and a competive 1:10 TC racer. I now run Byron's 100% in all my 'toys' (cars, trucks, airplanes and boats).
Something that does matter to me, though, is that Byrons actually makes their own fuel...on site. Not many brands say the same thing. They have actual, direct quality control over their product. I'm not certain about OD, but I know for many other brands, this is not the case...it doesn't hurt that their good 'ole Iowa folks to boot.
Airtronics | Byron's Fuel | Pro-Line | OS | Kyosho | Ballistic Batteries | Al's Hobby Shop
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