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Any street/strip guys track their oil temperature? #1075504
09/15/11 02:04 PM
09/15/11 02:04 PM
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BradH Offline OP
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Not the pressure, the actual oil temperature. I can't say where my Challenger's was before, but will in the future as I'm adding an oil temp gauge. I do know where my WRX's is and it can range quite a bit depending upon ambient temp, being stuck in traffic driving to/from work, etc.

So, what do you see for oil temps on the street during normal operating vs. at the track after a pass?

Re: Any street/strip guys track their oil temperature? [Re: BradH] #1075505
09/15/11 02:18 PM
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I added a temp gauge to my Coronet a few years back. It was interesting to see just how long it takes for the oil to warm up. Running the engine for a little while doesn't do anything for the oil temp, the car actually has to be driven on the freeway for about 10 miles before the oil is up to temp.

We watch the oil temp on the dyno really closely and once again, it takes a long time for the oil to heat up. I added a heater to the dry sump tank to try and keep the oil temp up between runs but even the heater doesn't get the job done. I now need to go back and add insulation and maybe another heater.

Re: Any street/strip guys track their oil temperature? [Re: BradH] #1075506
09/15/11 03:04 PM
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I can only offer my oil temps (sensor in the oil pan) from race only (trailer to/from the track).

130-150 F normal.
It is hard to get it above that. My car doesn't see high water temps (which warms the oil), stage at 160-170 water, back to the pits 170. So it takes round robin racing to get the oil past 150, and even then not much.

I recall a recent racing post on this on DRR.com bracket talk.
http://drr.infopop.cc/eve/forums/a/tpc/f/80760912/m/1577011706


1993 Daytona, 5.50 at 130mph (1/8) 1.19 sixty ft (PG). Link to 572 B1 - Part 1
Re: Any street/strip guys track their oil temperature? [Re: 440Jim] #1075507
09/15/11 03:38 PM
09/15/11 03:38 PM
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I've thought about putting in an oil temp gauge in my street driven Duster, but realized the oil pressure gauge is also a temp gauge..

When the oil pressure is 60-80 psi at idle, the oil temp is low.. as it heats up, the pressure will drop to 30 psi at idle.. Its then time to go racing..

Re: Any street/strip guys track their oil temperature? [Re: Jeepmon] #1075508
09/16/11 03:25 PM
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Quote:

... the oil pressure gauge is also a temp gauge.



Ummmm... yes... and no. In that scenario, it's really more of a "Go / No Go" gauge.

I'm interested in knowing actual temp reading under different operating conditions. One of the other things I posted recently was questioning how people determine the proper oil viscosity to run; oil temps & bearing clearance were a couple of the factors that came up; I only know the bearing clearance at this point.

Re: Any street/strip guys track their oil temperature? [Re: BradH] #1075509
09/16/11 04:27 PM
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I have had a oil-temp gauge on my 62 ...almost since day-one when I put the deep pan on it. It has always been an interesting # to keep track of. INDEED .. it takes quite-a-while for the oil to get up-to-temp ...and from my observations the temp normally ran 5-10 degrees cooler than water temp.

I will DEFINATELY run one of these on my RV project. And I would suspect that THIS combo might run up-to 20 degrees hotter than water-temp in a heavy towing situation.

Re: Any street/strip guys track their oil temperature? [Re: dOc !] #1075510
09/16/11 07:22 PM
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I have a trans Temp gauge, I've tossed around the idea of hooking another sending unit to it to monitor oil temps as well.


-Dustin
67 Dart, 9 second, 392" G3 Hemi
68 Barracuda 340 F/SA
Re: Any street/strip guys track their oil temperature? [Re: BradH] #1075511
09/16/11 07:32 PM
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I was told by the guys at RedLine that the oil should be at 210 degrees going into the engine. It is really hard to get oil that hot unless you're driving a lot. Even with a heater in the tank we rarely are able to get the oil hotter than 200 degrees on the dyno.

On my street car the oil will get to 210 after about 20 miles on the freeway on a nice summer day. I've never driven a rig thru the mountains with an oil temp gauge, that might be interesting.

I know that circle track cars kill the oil temp after a few laps. Some of those cars run close to 300 degrees even with a cooler.

We need to put a oil temp gauge in Tim's road race Valiant to see what it does. I'm not sure how hot it gets but I bet it gets warm after a few laps.

Re: Any street/strip guys track their oil temperature? [Re: 440Jim] #1075512
09/16/11 11:55 PM
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Quote:

I can only offer my oil temps (sensor in the oil pan) from race only (trailer to/from the track).

130-150 F normal.
It is hard to get it above that. My car doesn't see high water temps (which warms the oil), stage at 160-170 water, back to the pits 170. So it takes round robin racing to get the oil past 150, and even then not much.

I recall a recent racing post on this on DRR.com bracket talk.
http://drr.infopop.cc/eve/forums/a/tpc/f/80760912/m/1577011706





Drag race oil temps will be below our typical water temps in most typical drag race cars such as ours. The race is short, the water heats up fast, because of its wider exposed surface areas. The oil path has a ton less exposed surface area, so it gets heated at a lessor rate.

Re: Any street/strip guys track their oil temperature? [Re: BradH] #1075513
09/17/11 01:19 AM
09/17/11 01:19 AM
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My oil temp sender is in the rear of the block(400/440 blocks) in the crossover passage so it may end up being influence by the block temps As already said it takes quite a while, even with 5W20 WT dino oil, for the oil temps to catch up with the coolant temps, it also cools down a lot faster than the coolant when shut off. My oil temps will come close to the coolant temps here in central Oregon in the summers when driving it slow in traffic, I have seen 180 to 215 F oil temps when the coolant temps. where close to that I run a six quart stock steel 1970/71 street Hemi pan, it does not stick down under the K member so it is not getting a lot of air flow aroud it at speeds or idling Solid roller cam and lifters real loose(.0035+) rod and main bearing clearances along with .002+ lifter to lifter galley clearances IHTHs


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: Any street/strip guys track their oil temperature? [Re: Cab_Burge] #1075514
09/17/11 01:28 AM
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We have one in the Camaro. The highest I have ever seen it was 235-240 during extended street driving. Water temp rarely gets over 180-190. After extended periods of driving, like on the highway and then hitting stop and go traffic is when the oil has seen 240ish. Normally it is in the 210-220 range. The reason we have one is the block is partially filled and were concerned about oil temps. At this point it rarely gets looked at. I also have an oil cooler on it and going down the road it is usually 10-15 degrees above the coolant temp once warmed up.


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Re: Any street/strip guys track their oil temperature? [Re: Cab_Burge] #1075515
09/17/11 09:32 AM
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Quote:

My oil temp sender is in the rear of the block(400/440 blocks) in the crossover passage...



Do you mean in one of the two 1/8" NPT passages on the back of the block where the factory oil pressure sending unit also goes? I was debating that location vs. in the oil pan itself for different reasons.

Re: Any street/strip guys track their oil temperature? [Re: BradH] #1075516
09/17/11 10:38 AM
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I have one in my 427SC Cobra(427W Stroker Small Block) with a sending unit screwed right into the (canton Road race) sump. ....generally the oil is going t obe about 20 degrees hotter than the coolant and the coolant stays in the 170 to 190 ish range most of the time. What you'll notice is that in traffic my coolant temp will go up but come back down on the open road. However with oil, once it gets hot(ter) it will tend to stay on the higher side but never more than 230.


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Re: Any street/strip guys track their oil temperature? [Re: BradH] #1075517
09/17/11 11:18 AM
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Quote:

Quote:

My oil temp sender is in the rear of the block(400/440 blocks) in the crossover passage...



Do you mean in one of the two 1/8" NPT passages on the back of the block where the factory oil pressure sending unit also goes? I was debating that location vs. in the oil pan itself for different reasons.




You dont want to take a reading from the sending unit
area... that area doesnt flow(you want it in the pan
or in a area that flows)

Re: Any street/strip guys track their oil temperature? [Re: MR_P_BODY] #1075518
09/17/11 02:04 PM
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La Vernia, Texas
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I know it depends on which oil is in the engine and many other factors - but what is considered too hot in a street/strip car on the street generally?

Re: Any street/strip guys track their oil temperature? [Re: BradH] #1075519
09/18/11 01:27 AM
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Quote:

Quote:

My oil temp sender is in the rear of the block(400/440 blocks) in the crossover passage...



Do you mean in one of the two 1/8" NPT passages on the back of the block where the factory oil pressure sending unit also goes?


Yes I think the next motor will have the sender in the oil passage in the oil pump on the side that flows oil back into the main oil galley, that or in the remote filter mount itself


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: Any street/strip guys track their oil temperature? [Re: Cab_Burge] #1075520
09/18/11 12:37 PM
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We heated the oil to 150 before each run in our Comp Eliminator A/D.

Re: Any street/strip guys track their oil temperature? [Re: WheelsUp73] #1075521
09/18/11 12:43 PM
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Pat Goss on MotorWeek had a interesting article on yesterdays program on PBS.

In order to boil-off the water that is put-into the oll during the cold-start process .... the oil temp must get over 212 degrees for a period of time.

Re: Any street/strip guys track their oil temperature? [Re: dOc !] #1075522
09/18/11 09:40 PM
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My airplane oil cooler had a 190 F thermostat, the oil ran 190 to 195 F all the time,within 5 minutes after start up. That help keep the moisture out as long as the flight was 20 minutes or more I did one warm up flight for under 20 minutes to change the oil and filter, the oil analyse test came back with high moisture conent I never changed the oil with less than 20 minutes of flying time to warm it up after that, never had high moisture content again after that either


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)






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