Compare VP race fuels side by side
Pick two or three blends below to see their published specs side by side — the same figures, in the same units, as each blend's own page.
| Spec | VP X98 | VP C9 | VP X85L |
|---|---|---|---|
| RON | 103 | 98.5 | >120 |
| MON | 120 | 95 | 120 |
| (R+M)/2 | >111.5 | 96.8 | >120 |
| Specific gravity | 0.7940 (793 kg/m³ at 15 °C) | 0.7225 (722 kg/m³ at 15 °C) | 0.7850 (784 kg/m³ at 15 °C) |
| RVP | 3.04 psi (21.0 kPa) | 6.89 psi (47.5 kPa) | 4.09 psi (28.2 kPa) |
| Oxygen content | 34.73% | 0% | 29.95% |
| Fuel type | Ethanol | Unleaded | Ethanol |
| Colour | Colorless | Red | Light Purple |
| Leaded | No | No | Yes |
| Oxidation stability | >1440 min | >1440 min | >1440 min |
| Distillation — IBP | 151°F (66.1°C) | 91.8°F (33.2°C) | 145.6°F (63.1°C) |
| Distillation — 10% | 170.1°F (76.7°C) | 140°F (60.0°C) | 164.1°F (73.4°C) |
| Distillation — 50% | 171.3°F (77.4°C) | 217°F (102.8°C) | 170.1°F (76.7°C) |
| Distillation — 90% | 171.7°F (77.6°C) | 248.4°F (120.2°C) | 171.7°F (77.6°C) |
| Distillation — FBP | 178.2°F (81.2°C) | 376°F (191.1°C) | 185.7°F (85.4°C) |
| H:C ratio | 3 | 1.99 | 2.81 |
| O:C ratio | 0.5 | 0 | 0.4 |
| Stoichiometric A/F ratio | 8.98 | 14.73 | 9.78 |
Typical values as published by VP Racing Fuels.
You're comparing the maximum of three blends. Remove one to add another.