View Full Version : question on oil

Need for Speed 2
08-31-2010, 10:06 AM
What should I use in my 350 mpis for oils guys. I dont know what the previous owner used, If it matters here where I boat water temps are usually mid 40s to mid 50s spring to fall, should I run synthetic

08-31-2010, 10:23 AM
A 10w40 will work just fine. What brand, you are on your own.

You boat in some cool water.