Zachary J. Santner, senior specialist of quality at Sunoco, has been answering our fuel questions for years–but here's your chance to have him answer your fuel questions.
By entering a lightweight 2002 Stohr Prototype with less than 200 horsepower on tap, can Ghais Khaleghi prove that less is more?
Chris Nelms plans to use the consistency of his 2021 BMW M2 Competition to win.
The greatest strength of the 2018 Audi RS3? Corner exit speed, says the owner.
An alternative to shopping for a specifc octane fuel? Why not just mix two together to get the right mix?
What happens to gasoline as it ages? Find out in the next issue of Grassroots Motorsports Magazine.
