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 2Likes
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1
Post By blykins
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1
Post By patrickt
02-27-2017, 01:42 AM
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CC Member
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Join Date: Apr 2008
Location: Melbourne,
Vic
Cobra Make, Engine: Some polish thing... With some old engine
Posts: 2,286
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Not Ranked
Ideal water and oil temps.
Hey all
What would be the ideal water and oil temps for a warmed up motor?
Quick suvey of what temps are you all running at?
Thanks |
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02-27-2017, 01:54 AM
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CC Member
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Join Date: Dec 2001
Location: Louisville,
KY
Cobra Make, Engine: I'm Cobra-less!
Posts: 9,391
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Not Ranked
190-195/210-220 after a run.
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www.lykinsmotorsports.com
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02-27-2017, 04:16 AM
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CC Member
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Join Date: Apr 2008
Location: Melbourne,
Vic
Cobra Make, Engine: Some polish thing... With some old engine
Posts: 2,286
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Not Ranked
Thank you Sir.
I hope life is treating you well
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02-27-2017, 04:47 AM
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Senior Club Cobra Member
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Join Date: May 2001
Location: Florence,
AL
Cobra Make, Engine: RCR GT 40 & 1966 Fairlane 390 5 speed
Posts: 4,511
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Not Ranked
should the oil temp be 30 degrees above the water temp.?
__________________
''Life's tough.....it's even tougher if you're stupid.'' ~ John Wayne
"Happiness Is A Belt-Fed Weapon"
life's goal should be; "to be smarter than inanimate objects"
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02-27-2017, 05:25 AM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 21,897
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Not Ranked
Quote:
Originally Posted by Dwight
should the oil temp be 30 degrees above the water temp.? |
I'm not going to offer up any numbers, but I will point out that the temperature of the oil and water is different in different locations in the engine. The temperature of the oil that is in contact with the underside of the piston is way, way hotter than the oil circulating around the temp sensor in the pan. So, if the desire is to "burn off" moisture and condensation, you can do that without ever having an oil temp reading anywhere near 212 degrees. |
02-27-2017, 05:59 AM
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CC Member
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Join Date: Dec 2001
Location: Louisville,
KY
Cobra Make, Engine: I'm Cobra-less!
Posts: 9,391
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Water temp is water temp. It will vary depending on your location, how hot it is outside, and if you're idling or moving. We are speaking ideal numbers here, so I threw out 190-195. Wouldn't hurt my feelings if it were a little over 200, but I generally don't like to see engines colder than the former numbers....especially all-aluminum engines.
Oil temperature needs to be hot enough to burn off condensation. Modern vehicles run at around 220-230 oil temp. It's true that oil temp will be different in different points of the engine, but most of the time, water will condensate in the lifter valley and top of the heads.
On the dyno, oil temp usually gets to around 170-180 degrees, measured at the oil pan bung. We simply don't run them for 30-40 minutes non-stop though.
Dimis, to answer your question, the fam and I are doing well. I hope you are too.
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www.lykinsmotorsports.com
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02-27-2017, 06:28 AM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 21,897
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Dimis, when I run my engine hard, I can get the oil temp up to 95C and the water temp up to 90C, when moving.
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02-27-2017, 01:24 PM
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CC Member
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Join Date: Aug 2009
Location: Adelaide,
SA
Cobra Make, Engine: AP 289FIA 'English' spec.
Posts: 13,142
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Are the temps being quoted with or without an oil cooler?
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02-27-2017, 02:42 PM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 21,897
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Not Ranked
Quote:
Originally Posted by xb-60
Are the temps being quoted with or without an oil cooler?
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With an oil cooler for my numbers. |
02-27-2017, 02:46 PM
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CC Member
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Join Date: Dec 2001
Location: Louisville,
KY
Cobra Make, Engine: I'm Cobra-less!
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Again, just depends on where you are in the country and how you drive. I have Cobra customers who don't run oil coolers who see around the same temperatures as Patrick. I also have customers in the New England area without oil coolers who see temps around what I posted at the beginning.
Lots of variables.
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02-27-2017, 02:59 PM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 21,897
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Not Ranked
If your car is not overheating in traffic, or seizing up, or even just catching on fire, then I don't think temperatures really even matter that much on these cars. Most of us are going to die of old age before we wear them out anyway.  |
02-27-2017, 03:35 PM
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CC Member
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Join Date: Apr 2009
Location: Bethesda,
MD
Cobra Make, Engine: CSX 6022, navy blue, period correct 427 SO
Posts: 2,154
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My numbers are similar to Patrick. Similar engine, oil cooler, same region.
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(Less time searching, more time wrenching & driving)
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02-27-2017, 03:37 PM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 21,897
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Not Ranked
Quote:
Originally Posted by dcdoug
My numbers are similar to Patrick. Similar engine, oil cooler, same region.
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... and you don't overheat, seize up, nor catch on fire.  |
02-27-2017, 04:09 PM
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CC Member
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Join Date: Jul 2009
Location: Westerly,
RI
Cobra Make, Engine: Fordstroker 408w custom solid roller-Craft ported Brodix 17*heads-CFM ported Vic Jr. intake-1 3/4 primaries- 575hp-TKO-600RR Liberty upgrade- -Moser 8.8 trutrac-McLeod Street Extreme--QA-1-Wilwood brakes, Classic Chambered 3" Cobrapacks, Avon's
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New England -- Oil and water run close at 180F. Oil will go higher if I'm running through the gears, but will drop on cruise [I disconnected the cooler]. Oil temp is taken in the oil pan I'm sure it's much hotter near the bearings. coolant in the intake. Coolant stays the same. 351w
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Lou
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02-27-2017, 04:17 PM
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CC Member
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Join Date: Apr 2009
Location: Little Rock area,
AR
Cobra Make, Engine: ERA Street Roadster #782 with 459 cu in FE KC engine, toploader, 3.31
Posts: 4,483
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My water temp is running around 80 C on the smith gage with a 160 F thermostat - no oil cooler on a 459 FE. Been meaning to change out to a little higher thermostat but haven't gotten around to it. Oil temp will get there eventually too if I drive long enough.
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03-01-2017, 09:40 PM
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CC Member
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Join Date: Apr 2008
Location: Melbourne,
Vic
Cobra Make, Engine: Some polish thing... With some old engine
Posts: 2,286
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Thanks gents.
Just asking cos my temps pretty much have always sat in the middle of my gauges which is pretty much bang on what you've all said.
The other day however I had the car out for a little putt around town, and noticed the gauges recording fluctuating temps, both oil and water. Ranging from normal to slightly hot. I wasn't far from home so kept my eye on it and then shut it down before it got too hot. I also noticed the header overflow was actually overflowing, a little different to normal.
Anyway, after a bit of trouble shooting found the fan was kicking in intermittently due to a loose wire. So I work to sort that.
Thankfully it didn't get too hot and no damage done, but it did raise an eyebrow.
Thanks for all your input.
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