Keyboardman
Petty Officer 1st Class
- Joined
- Sep 10, 2015
- Messages
- 360
Hi Guys, My service manual says to set the timing at 3 degrees at 900 rpm and then 19 at 3500. I have the timing light but my boat doesn't have a tach. Other than spending $75 for an in-dash tach, is there anything else I can do or use? Thanks