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-   -   higer oil temp after rebuild, bypass?? (https://www.offshoreonly.com/forums/do-yourself-boating-budget/314494-higer-oil-temp-after-rebuild-bypass.html)

onesickpantera 07-02-2014 09:25 AM


Originally Posted by SB (Post 4146880)
Remember, they measure temp after the oil cooler...not at the pan or before the cooler.

Good info, I didn't realize that. You have to compare apples to apples. If they are recommending 170-180 after the cooler, that is similar to recommending 220-230 before the cooler.

Borgie 07-02-2014 09:39 AM


Originally Posted by MILD THUNDER (Post 4146927)
where did you get that info? You can go online and compare the oil thermostat part number for every engine they made with an oil thermostat. From the HP500 all the way up.

I was told 210 degrees for the mercury oil thermostat. Is this bad info?

jbraun2828 07-02-2014 09:52 AM

When my 525 oil temp gauges hit 210 the stat opens and it drops to 190. So it runs anywhere between the two usually closer to 190.


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