this post was submitted on 28 Sep 2023
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NASCAR didn't switch to unleaded gasoline until 2007, and test scores went up in the areas surrounding their racetracks in the following years.
Apparently you can still buy leaded race fuels in the US today, wtf? Ban that shit. I was watching a video yesterday of someone why brought their time-attack racecar to Australia and they had to retune it for unleaded because leaded is banned there. I was blown away they were using leaded fuel in the first place.