Re: Basic specs. Help! Mercruiser 260
napa 1061 or wix 51061, fram ph 30 oil filter.
oil weight
ambient temp below 32 deg use sae 20w oil
ambient temp 32-50 deg use sae 30w oil
ambient temp above 50 (most common) use 40w oil
if straight oil is not available use 20w-40
this is what is "Recomended" from mercruiser for that engine/ year..this info was not intended to start another "oil" thread. If you disagree contact mercruiser....LOL
Denny
