Are these good engine temps?

[BEAST19]

How are these engine temps? Highway speeds about 29 degrees out .... running Redline 5w30

2015 5.7L almost 18k miles


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[brianw0048]

My oil temp usually runs ~5° warmer than the coolant.

 

[Burla]

normal across the board

 

[sbarron]

You're golden, except you're running 73mph on an underinflated tire!

 

[Hemi395]

Mine is exactly the same as that running Redline 5w30

 

[BEAST19]

You're golden, except you're running 73mph on an underinflated tire!

Hahaha. Not under inflated just running aftermarket rims and tires with no sensors lol I’m trying to maintain mpg above 12mpg lol winter gas blowS!!!


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[BEAST19]

My oil temp usually runs ~5° warmer than the coolant.

I eventually made it up to 204 oil temp ......I have a vented custom hood so it cools pretty well


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[mattstertx]

My oil temps don’t go above 186 on redline 5W30 but I also run a 180 T Stat and deleted my clutch fan


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[BEAST19]

My oil temps don’t go above 186 on redline 5W30 but I also run a 180 T Stat and deleted my clutch fan


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Don’t u want oil temps to go above 200 for purpose of burning off contaminant etc? Not to knowledgeable on the topic just going off some stuff I’ve read on here


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[69GWC]

Mine has made it up in the 220* range a few times running Redline 5w30.

 

[mattstertx]

Don’t u want oil temps to go above 200 for purpose of burning off contaminant etc? Not to knowledgeable on the topic just going off some stuff I’ve read on here


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Water methonal injection basically steams the engine clean where I don’t have to worry much about contaminate.


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[blackbetty14]

Oil you want above 200*F. I personally like a 210*F and it’s to allow water and condensation to evaporate out of the oil. 210-220 is nothing for modern full synthetic oils as they are just starting to warm up.

Water **** does nothing for oil in the crankcase or Engine for that matter. Water **** does steam clean the combustion chamber/valves and manifold/header primaries.

 

[tsielski]

Researched a number of racing/engine building sites, and a consensus for an ideal oil temperature range for a motor not on a race track was between 180 and 210 F. Even with oil temperatures in the mid 180's, moisture will evaporate out, just not as quickly as they would at higher temperatures. Those sites also clearly stated that consistent oil temperatures over 220 degrees will have adverse long term wear issues on any engine; more serious issues if oil temperatures are consistently higher, as in the 230's to 240's or above.

The oil in my truck, on a highway run settles in between 199 and 203 during the summer months, and in the 195 range when it's cold. Around town the oil temp gets to 184 or so during the winter. I'm also running a 180 T-stat.

 

[mattstertx]

Oil you want above 200*F. I personally like a 210*F and it’s to allow water and condensation to evaporate out of the oil. 210-220 is nothing for modern full synthetic oils as they are just starting to warm up.

Water **** does nothing for oil in the crankcase or Engine for that matter. Water **** does steam clean the combustion chamber/valves and manifold/header primaries.

Water **** also substantially lowers combustion temperatures which keeps oil temps and coolant temps down yes it may not clean the crank or help with evaporation but ideal temps are between 180 and 210. I prefer the lower temps as the Engine will last way longer under boost than at oil temps of 200+


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[blackbetty14]

Researched a number of racing/engine building sites, and a consensus for an ideal oil temperature range for a motor not on a race track was between 180 and 210 F. Even with oil temperatures in the mid 180's, moisture will evaporate out, just not as quickly as they would at higher temperatures. Those sites also clearly stated that consistent oil temperatures over 220 degrees will have adverse long term wear issues on any engine; more serious issues if oil temperatures are consistently higher, as in the 230's to 240's or above.

The oil in my truck, on a highway run settles in between 199 and 203 during the summer months, and in the 195 range when it's cold. Around town the oil temp gets to 184 or so during the winter. I'm also running a 180 T-stat.

Not true. Old wives tale that cooler oil is better. Same goes for Engine temps no a days. The cooler Engine will create a cooler intake charge but not by much. On a boosted Engine a cooler Engine is a good idea about for the most part 180-200 is fine.

It’s all about the oils properties and how it reacts to temperature. Back in the day oil Dyno oil (not even comparable to current conventional oil) could not deal with higher temps and thus would break down. Conventional oils should be run in the 200-220*F range without ANY loss in performance or protection which is why I like 210*F. It allows the oil to reach a warm enough temp to activate all the additives and its warm flow rates. Synthetic can use the same temps but they can withstand higher temps (boosted) without breaking down. For ***** and giggles I googled oil temps for synthetic and conventional oil and it’s recommended to run conventional around 220 with a breakdown starting at 250 and synthetic can reach 300 before breaking down. Also not only are u trying to evaporate condensation from the engine sitting when hot to cold and then hot again but it also states that for every pound of fuel consumed a lb of water is also created. Warmer temps allows this to evaporate much quicker.

For those that want to learn... https://www.google.com/amp/www.hotrod.com/articles/engine-oil-temperature/amp/

 

[blackbetty14]

Water **** also substantially lowers combustion temperatures which keeps oil temps and coolant temps down yes it may not clean the crank or help with evaporation but ideal temps are between 180 and 210. I prefer the lower temps as the Engine will last way longer under boost than at oil temps of 200+


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Sure but much oil is making contact with the combustion temps? The small amount that splashes on the back of the pistons the rod smacks into the oil? The tiny amount resting on the top of the cylinder head as it drains back past the valves/springs? I wouldn’t choose water **** for oil cooling.... I would choose an oil cooler. I don’t believe our engines use oil squirters like the LS9s etc which have dedicated oil temp controlling for the pistons due to boost.

Also I think it would be hard to collect data on how effective it really was. It’s easy to see EGT drop and that’s proven with a sensor, it’s also easy to see IAT drop with a simple sensor. I run progressive water **** in both 50/50 and 70/30 mix and I have never noticed an oil temp drop when in use. Not to mention it should only be used when in boost or high load so it’s never on for more than a few seconds.

I also don’t believe that cooler oil temps increase new current Engine tech lifespans. Plenty of hot oiled LS Motors putting down 250k miles and I can tell you oil temps are 210+ easily. And these motors run tight tolerances which is why hotter thinner oil is used. Put some 20w50 in a stock low mileage LS and cool the oil temps to 180 and I bet you spin a cam bearing in short time.