Top Definition
A leaded racing fuel used in turbocharged, supercharged, or nitrous injected vehicles. It is good for up to a 17:1 compression ratio.

-C16 is blue in color and smells kind of like cherries.
-The octance of C16 is roughly 117.
-It is the spec fuel for the NHRA Top Eliminator class
-The specific gravity is .735 at 60* Farenheit.
I run C16 race gas in my blown 427 running 35 psi and a 150 shot of nitrous.

"Is that car running C16? It smelled like cherries after it drove by."
by Jimbo98Z September 27, 2007

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