Fuel Octane Question

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#4 (permalink)

03-23-2014, 09:30 AM

TXBLU

CC Member

Join Date: May 2007

Cobra Make, Engine:

Posts: 97

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Quote:

Originally Posted by GBowman

At the risk of embarrassment here is my question...how do I calculate octane if I am mixing race fuel with pump gas?

Is it as simple as...10 Gal of 93 oct & 1 Gal of 110 oct = 94.5 oct in the tank

Meaning 930 + 110 = 1040 / 11 = 94.5 ???

Or am I missing something?

Thx!

Quote:

Originally Posted by PLDRIVE

Here u go.

http://http://www.wallaceracing.com/octane-mix-calc.php

The calculator comes up with 10.03 Gallons of 93 octane and .97 gallons of 110 octane. I'd say that was reasonably close!

Eric

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