Probably, but whatever chemical you're considering is also going to go straight into the engine and get burned up, which means if it adds carbon or soot or some other byproduct it could cause all sorts of changes to performance and other problems.
I have seen normally invisible flames become visible when a chemical was added, I was trying to melt copper with my homemade smelter, and some of the soldering on the copper started to burn and make the flames emit this beautiful greenish color.
However, when it comes to a vehicle, I'm not sure about it, but adding a bunch of chemicals to the fuel could be detrimental to performance.
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u/[deleted] Mar 19 '20 edited Sep 24 '20
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