any difference in these 2 fuels ? using in a 360 mopar 12-1 steel heads. car picked up with the c12 over 110, but c12 was $11.50 and can get the sonoco for $8.05 a gal.
You'll sometimes see a pick up from one race fuel brand to another , and from one octane to a higher one as in your case . If your combo picked up by using a higher octane , then try some 112 octane race fuels . But check out different brands because that seems like a pretty big jump in price .any difference in these 2 fuels ? using in a 360 mopar 12-1 steel heads. car picked up with the c12 over 110, but c12 was $11.50 and can get the sonoco for $8.05 a gal.