randerson
Member
- Mar 15, 2006
- 371
- Boat Info
- 1998 400 DB
- Engines
- 7.4 Mercrusier Horizons
I was going to order replacement thermostats for my 7.4L Bluewater Mercruisers. The engines are carbureated GenV. I've seen both 140 and 160 degree Tstats for the same part number. Searched threads to no avail . . . anyone know which is recommended?