tollycraft
New Member
- Feb 24, 2008
- 281
- Boat Info
- 1988 30Ft Weekender
2004 21 1/2 Weekender
- Engines
- Twin 5.7s Mercruiser Inboards
5 Litre Mercruiser Alpha 1
I have a new to me 1988 EC twin 5.7 Mercruiser engines and inboards. What is the recommended engine oil for these engines. I do a lot of trolling but always changed oil in my last boat every 50 hrs as I will with this boat.
