David S. Wallens
David S. Wallens Editorial Director
4/8/20 9:54 a.m.

Fuels can vary by so many different properties. The biggies are octane, oxygen, lead content, and something called specific gravity, which measures the ratio of a substance’s density against a standard explains Zachary Santner, technical specialist with Sunoco Race Fuels. …

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slantsix
slantsix New Reader
4/9/20 9:29 a.m.

Awesome,

Thanks for posting this seemingly voodoo info for us not in the know!

David S. Wallens
David S. Wallens Editorial Director
4/10/20 10:41 a.m.

You're welcome. That's been the goal of these Fuel Tips: sharing knowledge. 

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