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Need for Speed 2
08-31-2010, 09:06 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
CHACHI
08-31-2010, 09:23 AM
A 10w40 will work just fine. What brand, you are on your own.

You boat in some cool water.

Ken