Colin Wood
Colin Wood Associate Editor
2/18/21 2:05 p.m.

What exactly makes up that fuel stabilizer, and does it actually improve the gasoline in your tank? We ask Zachary J. Santner, technical specialist at Sunoco Race Fuels, to weigh in with his expert opinion. Read what he has to say in the April issue of Grassroots Motorsports.

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David S. Wallens
David S. Wallens Editorial Director
2/18/21 2:08 p.m.

By the way, this one was influenced by some GRM forum chatter. What's in that bottle? We look. 

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