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 X85L | VP MR12 | VP C50+ REG |
|---|---|---|---|
| RON | >120 | 101 | 102 |
| MON | 120 | 85 | 87.5 |
| (R+M)/2 | >120 | 93 | 94.8 |
| Specific gravity | 0.7850 (784 kg/m³ at 15 °C) | 0.7340 (733 kg/m³ at 15 °C) | 0.7160 (715 kg/m³ at 15 °C) |
| RVP | 4.09 psi (28.2 kPa) | 12.17 psi (83.9 kPa) | 10.33 psi (71.2 kPa) |
| Oxygen content | 29.95% | 8.73% | 6.69% |
| Fuel type | Ethanol | Leaded | Unleaded |
| Colour | Light Purple | Green | — |
| Leaded | Yes | Yes | No |
| Oxidation stability | >1440 min | >1440 min | — |
| Distillation — IBP | 145.6°F (63.1°C) | 93.7°F (34.3°C) | — |
| Distillation — 10% | 164.1°F (73.4°C) | 103.8°F (39.9°C) | — |
| Distillation — 50% | 170.1°F (76.7°C) | 117.5°F (47.5°C) | — |
| Distillation — 90% | 171.7°F (77.6°C) | 271.6°F (133.1°C) | — |
| Distillation — FBP | 185.7°F (85.4°C) | 330.6°F (165.9°C) | — |
| H:C ratio | 2.81 | 1.84 | — |
| O:C ratio | 0.4 | 0.08 | — |
| Stoichiometric A/F ratio | 9.78 | 12.87 | — |
Typical values as published by VP Racing Fuels.
You're comparing the maximum of three blends. Remove one to add another.