Spark timing (˚CA BTDC) | COVIMEP (%) | |||||
RON91 | RON95 | |||||
CR9.5 | CR10 | CR10.5 | CR9.5 | CR10 | CR10.5 | |
20 | 2.760 | 3.610 | 2.670 | 2.520 | ||
24 | 2.460 | 2.360 | 1.880 | 1.620 | ||
26 | 1.730 | 1.780 | 1.700 | 1.530 | ||
28 | 1.290 | 1.600 | 3.890 | 1.390 | 1.120 | 1.550 |
30 | 1.050 | 1.170 | 0.947 | 0.901 | ||
32 | 0.971 | 0.926 | 0.880 | 0.744 | 0.702 | 0.896 |
34 | 1.120 | 0.737 | 0.713 | 0.720 | 0.895 | |
36 | 0.957 | 0.872 | 0.741 | 1.080 | ||
38 | 1.020 | 0.883 |