====== Common Trigger Angles ====== Once your engine is started, it is necessary to check and adjust the angle with a timing light. ^ Engine ^ Trigger Wheel ^ Trigger Angle (ATDC) ^ Trigger Angle (BTDC) ^ | Bosch Systems:\\ VW 2.0, 1.8T, VR6\\ VW Pointer/Gol 1.8\\ Chevrolet/Opel Chevy/Corsa 1.4 1.6\\ Hyundai Accent/Verna 1.5 1.6\\ Fiat\\ It is very likely that other Bosch systems use this same angle. | 60-2 | -78 or 282 | 78 | | Nissan L28ET, VG30E / VG30ET, KA24E / KA24DE, and SR20DE / SR20DET.\\ With DIY Autotune Optical disk | 22-2 | 15 | 345 |