"Combustion Technology That Wins Races"
  Leaded Racing Gasolines Unleaded Racing Gasolines
ERC
A-19K
  ERC
MUL/B
ERC
MUL/C
ERC
RUL
ERC
RUL/H
ERC
RUL/T
Download as PDF High Density High Heat Release Gasolines   Unleaded Racing Gasolines
F-1 Octane (Research Method) 116 120+ 120.0 120.0+   106 106 110.1 110.0 110.0
F-2 Octane (Motor Method) 106 116.0 117.0 118.0   96 96 98.0 98.0 98.0
R + M / 2 110.3 116.6 118.5 119.0   101 101 104.0 104.0 104.0
Specific Gravity (@60°F) .741 .745 .699 .702   .770 .717 .737 .764 .796
Heat Release per unit weight (bomb calorimeter) 19,800 19,683 20,100 20,000   19,200 19,400 19,100 18,643 18,400
Reid Vapor Pressure (PSI) 6.5 5.0 6.5 6.8   6.0 6.5 6.0 5.6 4.5
Color Purple Aqua Red Red   Straw Clear Yellow Bronze Bronze
Net Oxy by Mass 1.0% .7%       3.0% 3.5%      
IBP 95° F 120° F 106° F 106° F   95° F 105° F 120° F 117° F 125° F
5% 125° F 140° F 130° F 132° F   --- --- --- --- ---
10% 150° F 159° F 139° F 140° F   145° F 140° F 170° F 162° F 175° F
20% 180° F 182° F 151° F 154° F   --- --- --- --- ---
30% 202° F 192° F 163° F 165° F   168° F 155° F 196° F 190° F 202° F
40% 216° F 210° F 177° F 180° F   --- --- --- --- ---
50% 220° F 218° F 182° F 185° F   225° F 210° F 211° F 211° F 218° F
60% 226° F 222° F 202° F 208° F   --- --- --- --- ---
70% 230° F 225° F 208° F 215° F   232° F 212° F 220° F 229° F 228° F
80% 241° F 231° F 212° F 218° F   --- --- --- --- ---
90% 252° F 243° F 215° F 225° F   235° F 214° F 240° F 253° F 242° F
95% 262° F 260° F 218° F 235° F   --- --- --- --- ---
EP 265° F 264° F 234° F 238° F   237° F 220° F 292° F 292° F 295° F
Recovery 98.5% 99.0% 99% 99%   98.8% 98.5% 99.5% 99.0% 99.5%
Residue 1.0% .5% .5% .5%   .8% 1% .3% .5% .3%
Loss .5% .5% .5% .5%   .4% .5% .2% .5% .2%
  ERC
A-19K
  ERC
MUL/B
ERC
MUL/B
ERC
RUL
ERC
RUL/H
ERC
RUL/T

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