fairshopperguy27
Petty Officer 2nd Class
- Joined
- Aug 22, 2012
- Messages
- 127
Does anyone know which plugs to use in a 1988 mercruiser 3.0 w/upgraded EST ignition. The manual calls for champion rv12yc which is whats in the engine currently. I bought some ngk bpr6efs but am a little hesitant to put them because the threads are longer. thanks in advance.