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SUNOCO  EPX

If you like Sunoco E85-R but are looking for something a little more potent, new Sunoco EPX is that fuel.  Sunoco EPX is an extremely highly oxygenated unleaded racing fuel.  At 34% oxygen, EPX contains more oxygen then E85-R.  Of course, you will need to make sure the fuel system can meet the increased fuel flow demands to take full advantage of this exciting new fuel.  

Sunoco race fuels pail-EPX
Drag racers using highly boosted “import” motors like Honda’s K-Series and Toyota’s revered 2JZ variantsDrag racers running big turbos and blowers on domestic motors including Ford’s Coyote and Modular motors, GM’s LS series, and Chrysler Gen 3 Hemis

Whether you are running high boost or a high compression naturally aspiration engine, EPX will provide the detonation resistance that you need. Similar to Sunoco E85-R and Methanol; EPX contains so much oxygen that it can't be rated with a typical octane test to determine the rating. However, in real world applications EPX provides protection to engines running up to 30 PSI of boost. Sunoco EPX was engineered with extreme performance in mind and can be the solution to get your engine to the next level of performance.

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: 0
Type: Unleaded
Color: Light Red
Ethanol: 85%
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Technical Details

ColorLight Red
Octane (R+M)/20
Specific Gravity0.794
Weight (lbs/gallon)6.6
Reid Vapor Pressure3.6
10% Evaporation164
50% Evaporation168
90% Evaporation170
Stoichiometric Air/Fuel Ratio9.4
Oxygen (Weight%)34
Ethanol (Volume%)85
HC Ratio3.4
OC Ratio0.5
Lower Heating Value (Btu/Pound)12,200
Lower Heating Value (Btu/Gallon)80,600
LeadedNo (Unleaded)

Applications

  • Drag Racing
  • Drifting
  • Highly Boosted Engines
  • Miscellaneous Nitrous, Superchargers, Turbochargers
  • Modern Engines with Oxygen Sensors
  • Rally