Super Stock Race Fuel

Don Whitmore · 05-15-2007, 11:13 PM

Jeff (Goss):

Reid vapor pressure numbers are as follows...

...the lower the RVP number is numerically, the less volatile (i.e., harder to vaporize) the gasoline is.

Using your info, the C-12 is slightly less volatile than the Sunoco, however I would consider both fuels fairly close in range.

I would also compare the density of the fuels to determine impact on your carb settings.

And as Jeff Lee pointed out, I wouldn't mix them, unless you like hanging out at fuel check and answering lots of questions...

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05-15-2007, 11:13 PM	#1
Don Whitmore Member Join Date: Aug 2004 Location: Central Illinois Posts: 140 Likes: 0 Liked 0 Times in 0 Posts	Jeff (Goss): Reid vapor pressure numbers are as follows... ...the lower the RVP number is numerically, the less volatile (i.e., harder to vaporize) the gasoline is. Using your info, the C-12 is slightly less volatile than the Sunoco, however I would consider both fuels fairly close in range. I would also compare the density of the fuels to determine impact on your carb settings. And as Jeff Lee pointed out, I wouldn't mix them, unless you like hanging out at fuel check and answering lots of questions...