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 C9 | VP C85 | VP R5.1 |
|---|---|---|---|
| RON | 98.5 | 106 | 102 |
| MON | 95 | 86.5 | 86.3 |
| (R+M)/2 | 96.8 | 96.3 | 94.3 |
| Specific gravity | 0.7225 (722 kg/m³ at 15 °C) | 0.7940 (793 kg/m³ at 15 °C) | 0.7818 (781 kg/m³ at 15 °C) |
| RVP | 6.89 psi (47.5 kPa) | 5.98 psi (41.2 kPa) | 7.28 psi (50.2 kPa) |
| Oxygen content | 0% | 31.97% | 3.68% |
| Fuel type | Unleaded | Ethanol | Unleaded |
| Colour | Red | Yellow | Colorless |
| Leaded | No | No | No |
| Oxidation stability | >1440 min | >1440 min | >1440 min |
| Distillation — IBP | 91.8°F (33.2°C) | 119.8°F (48.8°C) | 113.2°F (45.1°C) |
| Distillation — 10% | 140°F (60.0°C) | 153.9°F (67.7°C) | 129°F (53.9°C) |
| Distillation — 50% | 217°F (102.8°C) | 167°F (75.0°C) | 200.3°F (93.5°C) |
| Distillation — 90% | 248.4°F (120.2°C) | 171°F (77.2°C) | 242.4°F (116.9°C) |
| Distillation — FBP | 376°F (191.1°C) | 182.3°F (83.5°C) | 281.7°F (138.7°C) |
| H:C ratio | 1.99 | 2.85 | 1.74 |
| O:C ratio | 0 | 0.45 | 0.03 |
| Stoichiometric A/F ratio | 14.73 | 9.2 | 13.69 |
Typical values as published by VP Racing Fuels.
You're comparing the maximum of three blends. Remove one to add another.