Don O'Gorman
Member
- May 28, 2020
- 46
- Boat Info
- 1985 Sea Ray Seville w/ a 1992 Mercruiser 140 3.0 engine. Alpha 1
- Engines
- Mercruiser 140 3.0 Alpha One out drive
I have a MerCruiser 3.0 (older one...1992) and am in need of an external tach so I can adjust idle and mixture when needed. Will a contactless one work if I just point it at the large pully in the front of the engine with a piece of reflective tape on it? Thanks for any help.
Don
Don