The Staff of Motorsport Marketing
The Staff of Motorsport Marketing Writer
6/30/22 8:53 a.m.

Sponsored content presented by Sunoco.

You’ve seen them: rows upon rows of brightly colored bottles, each promising more than the next. Improved fuel economy. Cleaner engine internals. A full head of hair. Yes, we’re talking about fuel additives. 

What exactly is in those co…

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tolyarutunoff
tolyarutunoff New Reader
6/30/22 3:52 p.m.

i have fitch fuel catalysts in several cars, along with sealing the filler caps with plastic film.  the cars start easily after sitting for many months, even a couple years.

TurnerX19
TurnerX19 UltraDork
6/30/22 10:53 p.m.

I clicked this hoping for accurate answers, like someone who took samples to a lab and did spectrographic analysis of multiple brands. Disappointingly vague. 

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