use amsoil or generic brand 80-90w in alpha one lower unit?

dizzy1

Seaman
Joined
Aug 6, 2009
Messages
69
I actually used that SuperTech last year. Changed it out in the winter. Found no issues during the year in the boat and came out as clean coming out as it was when I put it in. I actually use the same in my truck's transfer case that calls for GL5 80w-90 and no issues in the few years I've been using it. I've come to the conclusion that oil is oil if the right weight.
 
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