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03-24-2005, 04:21 AM
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CC Member
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Join Date: Dec 2004
Location: Prince Frederick,
MD
Cobra Make, Engine: Unique 427 S/C 427 FE S.O. 484 cu in
Posts: 952
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Not Ranked
Oil Temp
What temp should the oil run in normal driving?
I don't have my Cobra on the road and was just wondering if I should put a T-stat control valve in the lines or just run it continuously. I plan on driving year round in Maryland. 90*F summers and 30* winters.
Thanks Tony |
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03-24-2005, 04:37 AM
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CC Member
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Join Date: Dec 2000
Location: Broken Arrow. OK ( South Tulsa), USA,
OK
Cobra Make, Engine: 66 COBRA FE 427 /4SP. (HCS Coupe w/ 408 Stroker and TKO 600 -sold)
Posts: 5,595
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Not Ranked
Mine runs very close to my water temp which has been consistantly 180. During some race situations in the summer months my oil temp will run around 200 degrees for the last few minutes of a session.
Clois
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Sunshine, Asphalt and no stop signs...Perfect
"Let's roll"
"Be part of Something Good
......Leave Something Good Behind!"
from CD "Long Road Out of Eden"
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03-24-2005, 05:35 AM
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CC Member
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Join Date: Mar 2004
Location: Phoenix,
MD
Cobra Make, Engine: ERA 427 SC
Posts: 100
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Not Ranked
Same here, oil temp mirrors water temp. Only difference is in cooler weather it takes longer to get oil temps up.
__________________
ERA #509
2003 Z06
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03-24-2005, 06:31 AM
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Senior Club Cobra Member
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Join Date: Jun 2003
Location: West Linn,
OR
Cobra Make, Engine: ERA #684, 428 FE, TKO600
Posts: 1,378
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Not Ranked
Tony:
Several threads in the past on oil temp. and oil coolers. A search should net you a number of discussions.
On a basic level you want your oil to get hot enough to outgas some of the contaminants that accumulate and evaporate any moisture that has condensed in the oil due to heating and cooling. This equates to about 210 degrees.
Oil coolers used on street cars tend to keep the oil too cool so a number of people are running thermostats on their coolers to keep the temperatures up to the point they need.
DonC |
03-24-2005, 08:32 AM
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CC Member
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Join Date: May 2001
Location: California,
Ca
Cobra Make, Engine: NAF 289 Slabside Early Comp Car with 289 Webers and all the goodies. Cancelling the efforts of several Priuses
Posts: 6,592
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Not Ranked
Although not on an FE I am considering installing a thermostat in my oiling system but question (?) the volume of oil they can safely flow. I have only been able to find Canton, Perma-cool, and Mocal. What others are out there? I am unable to use a sandwich type due to space available, so it must be an inline type. As an alternative, I have been looking at some manually controlled diverter/bypass valves that could be plumbed and effectively bypass the cooler until proper temps are reached. Maybe I'm thinking too hard about this. The Jury is still out. Opinions please.
Thanks
Rick
http://www.crracing.com/racinginc/bpvalve.html
__________________
Rick
As you slide down the Banister of Life, may the splinters never be pointing the wrong way 
Last edited by Rick Parker; 03-24-2005 at 08:44 AM..
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03-24-2005, 10:23 AM
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CC Member
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Join Date: Dec 2004
Location: Phoenix,
AZ
Cobra Make, Engine: CSX 2252 sold 3-08, 1986 AC Cobra MK IV #185
Posts: 360
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Not Ranked
The oil temp on CSX 2252 runs about 220 degrees on a warm day of 90 degrees outside, with the water temp at 185 degrees. On a cooler day, say 65 degrees outside, the oil temp is at 200 degrees and water temp is 160 degrees. This Cobra has no oil cooler installed, just an electric fan (15 inch). The wimpy, single blade original fan I took off and put it on the shelf. It's basically useless in Arizona!
Bill  |
03-24-2005, 11:02 AM
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Senior Club Cobra Member
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Join Date: Jul 2000
Location: Las Vegas,
NV
Cobra Make, Engine: ERA 427 SO
Posts: 1,126
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Not Ranked
Rick, the diverter valve is an interesting idea...My Mocal cooler thermostat opens about 175 indicated, too cool for my liking. I would like it to be 210+, wondering if I could just replace it with a valve. Anyone know if Mocal sells a t-stat with a higher opening point, and how the heck would you change them out?
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Ken
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03-24-2005, 12:44 PM
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Senior Club Cobra Member
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Join Date: Mar 2001
Location: Southern Connecticut,
CT
Cobra Make, Engine: SPF - 351W, 944 non-turbo
Posts: 2,105
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Not Ranked
Tony:
Be careful about running heavy oil (20w-50) through an oil cooler especially on cool days. The cooler is really for show on the street. If you insist on running the cooler all the time consider using lighter oil.
Measure the temperature before it goes through the cooler.
Bob
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03-24-2005, 02:47 PM
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CC Member
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Join Date: May 2002
Location: San Francisco CA,
Posts: 525
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Not Ranked
Ck out Hardin Marine....
They make the best oil thermostat on the market, and I've tried them all. Opens at 212 deg. and has large passages that don't restrict flow.
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They bend 'em, we mend 'em.
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03-24-2005, 07:48 PM
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CC Member
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Join Date: May 2001
Location: California,
Ca
Cobra Make, Engine: NAF 289 Slabside Early Comp Car with 289 Webers and all the goodies. Cancelling the efforts of several Priuses
Posts: 6,592
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Not Ranked
__________________
Rick
As you slide down the Banister of Life, may the splinters never be pointing the wrong way
Last edited by Rick Parker; 03-24-2005 at 07:51 PM..
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03-25-2005, 04:32 PM
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CC Member
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Join Date: Feb 2005
Location: Oxnard,
ca
Cobra Make, Engine: superperformance, 427 side oiler
Posts: 178
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Not Ranked
I've had my 427 sideoiler for 3 weeks and here's another thing I don't know about except both my oil and water temperature are too low. I drove my car about 100 miles today on the freeway including, stop and go for several miles, after 70mph for 20 miles. Also drove it around town. Highest temps I saw all day in the stop and go - 90C oil, 70C water. Running open on the freeway 2200rpm in 5th 80C oil, 60C water. Seems obvious that the water thermostat is non-existant or stuck open. Solutions experts? Will a functioning 180 water thermostat keep my oil temp high enough. The oil thermostats you've been discussing sound good. This car will be mostly street driven with occasional open track time.
Bill
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... and when you start your Cobra its inner voice shouts at you "You f***ing assh*le, this time I'm going to kill you."
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03-26-2005, 12:51 PM
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CC Member
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Join Date: Dec 2004
Location: Prince Frederick,
MD
Cobra Make, Engine: Unique 427 S/C 427 FE S.O. 484 cu in
Posts: 952
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Not Ranked
Thanks to all for the good information.
Tony
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03-28-2005, 12:09 PM
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CC Member
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Join Date: May 2002
Location: San Francisco CA,
Posts: 525
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Not Ranked
Yup Rick, that's the one.
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They bend 'em, we mend 'em.
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