Aq271c engine oil

Sam Jenkins

Seaman Apprentice
Joined
Oct 16, 2020
Messages
46
Hi would 10w40 semi synthetic be suitable to use in this engine. I know the book states 10w30 but i cant source this oil
Cheers
 

LegacyT

Petty Officer 1st Class
Joined
Jul 7, 2011
Messages
250
Can’t go wrong with shell rotella 15w-40. Been using it in my same era AQ231A for yrs, no problem. It’s cheap and has a wholesome additive package perfect for boats with solid lifters
 
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