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Old 26-04-2018, 05:23   #16
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Re: Oil Temperature - Small RWC Engine???

That's amazing, considering...Aluminum - Melting Point 1220F.
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Old 30-04-2018, 02:26   #17
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Re: Oil Temperature - Small RWC Engine???

Quote:
Originally Posted by a64pilot View Post
..........
Check your oil temp with an IR thermometer and if you don’t mind, post the results. I’m betting it’s lower than most of us realize.
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..............
Will advise in due course. .........
Well, its hotter than I expected.

I ran my 2GM20 today with the following results.

Ambient air temperature 13C.
Engine warmed up and the ran at 3,000 RPM (in gear) for 1 hour.
Raw water temperature measured where it exits the head 45C
Oil temperature measured at the oil filter (and at the front of the sump) was 70C.

Thermometer was a Fluke IR unit.

It took quite awhile for the oil temperature to stabilise - say around 30 to 40 minutes. I wonder if it would be a few degrees higher with higher ambient temperatures but it will be awhile before I can test this , its autumn here...
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Old 30-04-2018, 15:37   #18
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Re: Oil Temperature - Small RWC Engine???

That is hotter than I expected as well, but I see that as a good thing, oil needs to be run warm, in my opinion.
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