Mercruiser 120
Petty Officer 3rd Class
Thread starter- Joined
- Jun 17, 2018
- Messages
- 75
1970 2.5L. When I’m timing it with my light is each bar on the harmonic balancer = to 1 degree or 2. I need it 6 degrees BTDC. Do I go towards the arrow away from the 0 on the dial
