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hi


You are replying to:
esoxaddict
Posted 11/6/2017 4:56 PM (#883584 - in reply to #883521)
Subject: Re: Lower unit Gear Lube: sae 90 vs 80W-90





Posts: 8772


Straight-weight oils maintain their viscosity throughout the range of operating temperatures. Multi-viscosity oils (i.e.10w30 for example) is basically a 10 weight oil with additives that cause it to perform like a 30 weight oil at higher temperatures.

Great for internal combustion engines that are required to start and run in cold temperatures.

For a lower unit? Not sure it matters as much, if at all...

Edited by esoxaddict 11/6/2017 5:25 PM

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