
Leaded
Racing Gasolines 

Unleaded
Racing Gasolines 




ERC
A19K 

ERC
MUL/B 
ERC
MUL/C 
ERC
RUL 
ERC
RUL/H 
ERC
RUL/T 
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High
Density 
High
Heat Release Gasolines 

Unleaded
Racing Gasolines 
F1
Octane (Research Method) 
116 
120+ 
120.0 
120.0+ 

106 
106 
110.1 
110.0 
110.0 
F2
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
A19K 

ERC
MUL/B 
ERC
MUL/B 
ERC
RUL 
ERC
RUL/H 
ERC
RUL/T 
