Seafoam is for preventing gasoline from going bad, not for turning bad gasoline into good. Put it in gas tanks in the fall for things that will be sitting over the winter.

Discard your 3 year old fuel and start with new. Old fuel can damage engines in just a few minutes.

"It's just a phase. He'll grow out of it." Mama, 1964

1956 Chevy 1/2-ton 3100
1953 Chevy 6100 "The Yard dog"
1954 GMC Suburban Now with a new proud owner.