| Leaded Racing Gasolines | Unleaded Racing Gasolines | ||||||||
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ERC A-19K |
ERC MUL/A |
ERC RUL |
ERC RUL/H |
ERC RUL/T |
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| High Density | High Heat Release Gasolines | Unleaded Racing Gasolines | |||||||
| F-1 Octane (Research Method) | 115.5 | 120.3 | 120.0 | 120.0+ | 106.0 | 110.1 | 110.0 | 110.0 | |
| F-2 Octane (Motor Method) | 105.2 | 113.0 | 117.0 | 118.0 | 96.0 | 98.0 | 98.0 | 98.0 | |
| R + M / 2 | 110.3 | 116.6 | 118.5 | 119.0 | 101 | 104.0 | 104.0 | 104.0 | |
| Specific Gravity (@60°F) | .730 | .745 | .699 | .702 | .740-.750 | .737 | .764 | .796 | |
| Heat Release per unit weight (bomb calorimeter) | 19,800 | 19,683 | 20,100 | 20,000 | 19,200 | 19,100 | 18,643 | 18,400 | |
| Reid Vapor Pressure (PSI) | 6.0 | 3.2 | 6.5 | 6.8 | 6.5 | 6.0 | 5.6 | 4.5 | |
| Color | Purple | Blue | Red | Red | Orange | Yellow | Bronze | Bronze | |
| IBP | 112° F | 185° F | 106° F | 106° F | 103° F | 120° F | 117° F | 125° F | |
| 5% | 145° F | 204° F | 130° F | 132° F | --- | --- | --- | --- | |
| 10% | 167° F | 207° F | 139° F | 140° F | 147° F | 170° F | 162° F | 175° F | |
| 20% | 194° F | 213° F | 151° F | 154° F | --- | --- | --- | --- | |
| 30% | 210° F | 216° F | 163° F | 165° F | 189° F | 196° F | 190° F | 202° F | |
| 40% | 220° F | 218° F | 177° F | 180° F | --- | --- | --- | --- | |
| 50% | 225° F | 220° F | 182° F | 185° F | 206° F | 211° F | 211° F | 218° F | |
| 60% | 230° F | 222° F | 202° F | 208° F | --- | --- | --- | --- | |
| 70% | 235° F | 226° F | 208° F | 215° F | 213° F | 220° F | 229° F | 228° F | |
| 80% | 245° F | 231° F | 212° F | 218° F | --- | --- | --- | --- | |
| 90% | 257° F | 245° F | 215° F | 225° F | 221° F | 240° F | 253° F | 242° F | |
| 95% | 279° F | 268° F | 218° F | 235° F | --- | --- | --- | --- | |
| EP | 301° F | 284° F | 234° F | 238° F | 237° F | 292° F | 292° F | 295° F | |
| Recovery | 98.5% | 99.0% | 99% | 99% | 98.8% | 99.5% | 99.0% | 99.5% | |
| Residue | 1.0% | .5% | .5% | .5% | .8% | .3% | .5% | .3% | |
| Loss | .5% | .5% | .5% | .5% | .4% | .2% | .5% | .2% | |
| |
ERC A-19K |
ERC MUL/A |
ERC RUL |
ERC RUL/H |
ERC RUL/T |
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