oil temps in a street engine
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DanH
badnotch
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oil temps in a street engine
badnotch April 18th 2010, 9:12 pm
steel roded motor in a street car
whats a safe and normal temp for oil thanks
do you guys recommend oil cooler and if so whos thanks
whats a safe and normal temp for oil thanks
do you guys recommend oil cooler and if so whos thanks
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DanH- Posts : 1081
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Re: oil temps in a street engine
Outlaw5.0 April 19th 2010, 6:49 pm
Max oil temp for many oils is 285 deg F. If you are under 250 deg F, you have nothing to worry about.
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Re: oil temps in a street engine
dfree383 April 19th 2010, 6:53 pm
For synthetic the above numbers are livable but not ideal, under 225 is ok in my book
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street oil temps
blown473 April 19th 2010, 9:20 pm
I run a 8qt pan and 2 qt external cooler on a blown 460 temps pretty much match water temps, 180 avg, hot day 200 max. I like seeing a balance between the two, as water cools from the cyls up and oil from the pistons down. Just seems like a good overall balance of engine temp.
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Re: oil temps in a street engine
Outlaw5.0 April 20th 2010, 1:26 pm
Tell you what, even normal motor oil is good to 250 deg F for sustained use. I run a million dollar developement dyno cell for one of the big 3, so I may just know a thing or two about oil temp. Yes 225 deg is better, but most new cars/trucks will run 205-220 deg oil temp if running 70-80mph on the freeway depending on rpm and load.dfree383 wrote:For synthetic the above numbers are livable but not ideal, under 225 is ok in my book
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Re: oil temps in a street engine
dfree383 April 20th 2010, 1:49 pm
I don't disagree, I've seen 300+ in some stock car stuff, but its not what you would like to see if its avoidable.
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Re: oil temps in a street engine
Outlaw5.0 April 20th 2010, 1:55 pm
I have seen 300 deg temps also, that is not good at all though. Even synthetic should have a 285 deg limit. At 300 deg, the synthetic is starting to breaking down.
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Re: oil temps in a street engine
rmcomprandy April 20th 2010, 5:18 pm
A guy by the name of Smokey Yunick said that it's gotta get over 212°, (at sea level), at some time in order to boil the moisture out of it and 225° is about ideal. He also said that the lubricating qualities of MINERAL oil at 300° is the same as cold water; synthetic oil is NEEDED if you run the engine really hot; (like an oval track car with a restricted radiator).
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badnotch- Posts : 514
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