Octane Boosters?

"Dear Ralph" September 28, 1998 0
Dear Ralph: I am slowly learning about the potential problems with “inadequate” gasoline, i.e. low octane, moisture, etc. I own a 1997 Ultra with...

Dear Ralph:
I am slowly learning about the potential problems with “inadequate” gasoline, i.e. low octane, moisture, etc. I own a 1997 Ultra with a Legend Trail Dominator Kit installed. Are there any disadvantages of using octane boosters when I fill up with 91 octane gas? Are moisture absorbers in the gas tank of any value? Is one of the above better than the other as a precaution to engine meltdown? I do not want to have to install EGT sensors and I do not have access to racing fuel.

Marvin Werbitt
Montreal, Canada

There are no real disadvantages of running octane booster with 91 octane fuel, just follow the directions of the product and realize that you will only raise the octane by 2-3 points. Adding more booster than the directions say will not help. In tank moisture absorbers are of value if there is water present in the fuel, but if you’re running ethanol blended fuel it is less of an issue as the ethanol will remove the water. Many 91 octane pump fuels already have ethanol in them. Which is a better precaution to prevent engine meltdown? Personally, I would run the recommended octane fuel and add boost if ever in question of the fuel quality. More important will be the proper jetting to avoid trouble.

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