SUNOCO SR18®

118 Octane Race Fuel

Sunoco SR18® is our ultimate high octane, fast burning racing fuel. If you have a high compression, high RPM race engine, 118 octane Sunoco SR18 is your fuel of choice.

SR18 is an excellent choice for drag racing and truck pulling, especially large displacement applications. For oval course and road racing applications, SR18 will tolerate the high cylinder pressures in racing classes where there are no compression ratio limitations.

Sunoco-race-fuels-pail-SR18
Sunoco SR18 is for off-road and racing use only. It contains additives to enhance stability and increase storage life. As with any gasoline, SR18 should be stored in opaque, tightly sealed containers where temperatures are stable. Handled under such conditions, the shelf life of Sunoco SR18 is 2 years or more.

Legal Notice

Disclaimer:
Legal in California only for racing vehicles in sanctioned racing events.

Legal:
For off-road and racing applications only.

Quick Specifications

Octane (R+M)/2: 118
Type: Leaded
Color: Yellow
Ethanol: 0%
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Technical Details

ColorYellow
Octane (R+M)/2118
Research Octane120
Motor Octane116
Specific Gravity0.704
Weight (lbs/gallon)5.9
Reid Vapor Pressure6
Initial Boiling Point99
10% Evaporation166
50% Evaporation209
90% Evaporation213
Final Boiling Point223
Stoichiometric Air/Fuel Ratio15.1
Oxygen (Weight%)0
Ethanol (Volume%)0
Methanol0
HC Ratio2.2
Lower Heating Value (Btu/Pound)18,950
Lower Heating Value (Btu/Gallon)111,000
LeadedYes

Applications

  • Asphalt Oval
  • Boats & Personal Watercraft
  • Dirt Oval
  • Drag Racing
  • Karts
  • Miscellaneous Nitrous, Superchargers, Turbochargers
  • Road Course
  • Snowmobiles
  • Truck & Tractor Pulling
  • Off-Road

Sanctioning Bodies

Sanctioning Body