- Oct 6, 2006
- 12,156
- Boat Info
- 1996 450DA
- Engines
- 3116 Caterpillars
"Ambient temperature" in this situation is not the temperature of the air the boat sits in……..it is the air around the engine in the engine space of the boat.
In 95˚ Florida air, the temperqturew in the negine room on my 450DA was more like 125˚…………everyone uses either 15W-40 or SAE 40.
In 95˚ Florida air, the temperqturew in the negine room on my 450DA was more like 125˚…………everyone uses either 15W-40 or SAE 40.