How much Sea Foam should I add to a 60 gallon tank in a Chevrolet 454 7.4 V8? [SOLVED]

Asked by Zach E. In Alabama

I have a class A motorhome with a 1994 Chevrolet 454 7.4 V8. With a 60 gallon gasoline tank, how much Sea Foam Motor Treatment should I add to the gas when I am not using it? Thank You.

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Jim D.
Jim D.
2 years ago

Hi Zach,

Add 1 oz of Sea Foam Motor Treatment for each gallon of fuel in the tank to stabilize it during storage. If 60 gallons, add 60 ounces. If 16 gallons, add 16 ounces.

Last edited 2 years ago by Brian Miller
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