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Oil coolers


onesickcrx
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Galant VR-4 org Post #: 919637 posted 08/02/10 09:46 AM     Remind Me!  Send Private Message   Edit Post      
I know a lot of people have or are switching to a forward facing oil filter housing in order to run a oil cooler. For the guys that have them installed have you seen any huge temperature diffrence's? I am asking because I am thinking of install one, but at the same time on motor cycles we end up eliminating them because its only about a 5-15 degree drop in oil temp. Just looking for some info on this...

Also where do you have them mounted



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biglady112
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Galant VR-4 org Post #: 919648 posted 08/02/10 11:11 AM     Remind Me!  Send Private Message   Edit Post      






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onesickcrx
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Galant VR-4 org Post #: 919652 posted 08/02/10 11:23 AM     Remind Me!  Send Private Message   Edit Post      
Sick setup Not a street car I take it?



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biglady112
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Galant VR-4 org Post #: 919660 posted 08/02/10 11:36 AM     Remind Me!  Send Private Message   Edit Post      
Bonneville Land Speed car.



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onesickcrx
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Galant VR-4 org Post #: 919753 posted 08/02/10 05:01 PM     Remind Me!  Send Private Message   Edit Post      
Anyone got some numbers on temp diffrences or any other info?



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4thStroke
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Galant VR-4 org Post #: 919885 posted 08/03/10 03:16 AM     Remind Me!  Send Private Message   Edit Post      
You'll probably have a tough time finding numbers, but I think the consensus is that the coolers are not needed for street cars. For a track car, yes.

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onesickcrx
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Galant VR-4 org Post #: 919920 posted 08/03/10 09:55 AM     Remind Me!  Send Private Message   Edit Post      
I would think some of the bigger built street cars would have these on them just to try to keep the car running cool



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CarRacer
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Galant VR-4 org Post #: 920093 posted 08/03/10 10:23 PM     Remind Me!  Send Private Message   Edit Post      
I installed mine in front of the radiator using a 90 housing. I'm not doing anything crazy yet with my car but I wanted the piece of mind.



James
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Terry Posten
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Galant VR-4 org Post #: 920106 posted 08/03/10 11:26 PM     Remind Me!  Send Private Message   Edit Post      
I did mine similar to CarRacer but Toybreaker told me I did it wrong .

I have been told that you want the feed and return ports vertical not horizontal. If the ports are vertical, the oil is not filling the whole core and utilizing the complete cooling capacity. The top of the core could be empty and I wonder if that air space could cause air bubbles into the oil.

I have to replace my core so I am going to move it into the fender where the ABS pump was at. I am going to be using a cooler that has a fan so it is not super critical to have the core directly in-line with incoming air flow.

If I ever get it done, I will post pics. But with vacation in a week, it will be awhile.



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iceman69510 Galant VR4.org Moderator
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Galant VR-4 org Post #: 920182 posted 08/04/10 10:22 AM     Remind Me!  Send Private Message   Edit Post      
So it should be mounted as below?





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biglady112
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Galant VR-4 org Post #: 920191 posted 08/04/10 10:56 AM     Remind Me!  Send Private Message   Edit Post      
Mine is setup that way so it will FORCE oil through and drain back out. I don't want it to leisurely pass through and not push all the oil out.



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Barnes
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Galant VR-4 org Post #: 920194 posted 08/04/10 11:11 AM     Remind Me!  Send Private Message   Edit Post      
Quoting biglady112:

Mine is setup that way so it will FORCE oil through and drain back out. I don't want it to leisurely pass through and not push all the oil out.




I'm not quite sure what you mean here. Could you maybe reword that?



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Galant VR-4 org Post #: 920310 posted 08/04/10 05:00 PM     Remind Me!  Send Private Message   Edit Post      
Isn't the factory cooler on a '90 positioned like CRs?

If that is indeed incorrect, is there a correct inlet/outlet configuration to choose when going with the vertical setup? I'd think no matter what, the cooler is acting like a capacitor and could cause shortage of oil while the car is still starting up?



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biglady112
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Galant VR-4 org Post #: 920318 posted 08/04/10 05:38 PM     Remind Me!  Send Private Message   Edit Post      
The way we both have ours set up we are able to have fresh oil in the cooler at all times. And this configuration lets the motor dictate the flow through it. Fresh flow through the entire core. No wasted space, no stagnant oil.

And for what its worth, the factory cooler on a 90 dsm is setup this way.



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Edited by biglady112 (08/04/10 05:39 PM)

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Barnes
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Galant VR-4 org Post #: 920320 posted 08/04/10 05:44 PM     Remind Me!  Send Private Message   Edit Post      
How would *any* setup have stagnant oil?

I am intrigued by the comments by Terry that Toybreaker made. Having the ports at the bottom could conceivably create a pocket of air (albeit compressed) at the top of the cooler that blocks that portion of the core from being used.



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Boostdtalon
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Galant VR-4 org Post #: 920321 posted 08/04/10 05:48 PM     Remind Me!  Send Private Message   Edit Post      
I'm kinda of glad this discussion came up. Answered a question I had.

I have to agree with Barnes, I can't see any running car have stagnant oil. Maybe he should rephrase that.

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Terry Posten
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Galant VR-4 org Post #: 920329 posted 08/04/10 06:04 PM     Remind Me!  Send Private Message   Edit Post      
The 90 Talon I took my setup off of did have it set up just like CarRacers car and that is why I set mine up the same way.

I can see the merit of Toybreakers idea because there is nothing keeping the oil from flowing up only far enough to flow across and down. There may be unused space in the core not coolong the oil up top.

I don't know, but I will be going with Toybreakers idea.



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CarRacer
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Galant VR-4 org Post #: 920333 posted 08/04/10 06:10 PM     Remind Me!  Send Private Message   Edit Post      
It's my understanding that our housings have a built in thermostat, so until the oil warms up the cooler isn't even in the system. Does anyone know which is the inlet and which is the outlet for the housing? If you were to orient the cooler fittings to be horizontal, you'd want the flow to be top to bottom to avoid any possible air pockets.



James
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JNR
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Galant VR-4 org Post #: 920334 posted 08/04/10 06:18 PM     Remind Me!  Send Private Message   Edit Post      
Aren't these under pressure (when running) though? I don't see how orientation would make a difference in that case

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CarRacer
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Galant VR-4 org Post #: 920339 posted 08/04/10 06:33 PM     Remind Me!  Send Private Message   Edit Post      
Yeah, it's under pressure but it'd be like not bleeding your coolant system. The cooler I have is at the top of my oiling system, so it's possible that there's air in it and it might not be able to bleed out naturally.



James
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Barnes
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Galant VR-4 org Post #: 920358 posted 08/04/10 07:48 PM     Remind Me!  Send Private Message   Edit Post      
This would actually be pretty easy to test with a IR thermometer. Just measure the temp of the oil cooler in various places. If there is air it should be much cooler than the rest.



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CarRacer
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Galant VR-4 org Post #: 920359 posted 08/04/10 07:50 PM     Remind Me!  Send Private Message   Edit Post      
We have one of those at work for monitoring the paper temp after using a heater on the printing press. I'll check out what the cooler reads after my drive in.



James
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ItsAliiive
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Galant VR-4 org Post #: 920362 posted 08/04/10 08:11 PM     Remind Me!  Send Private Message   Edit Post      
So the system is under preassure but it is not air tight. Seems like the air could easily find its way out through a breather valve. Oil and air cannot occupy the same space so the oil will push the air out when it begins to circulate.

I designed this plate that moves the oil cooler up so the oil lines do not dangle below the frame. I wanted to lower my chances of snagging them if I happen to not be able to avoid road debris. They will get zipped tied up as well.






Edited by 3of1000 (08/04/10 08:12 PM)

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Galant VR-4 org Post #: 920367 posted 08/04/10 08:26 PM     Remind Me!  Send Private Message   Edit Post      
OK, so I guess I don't understand how air pockets become an issue as the fluid is being pumped under pressure through this (sub)system?

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biglady112
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Galant VR-4 org Post #: 920404 posted 08/04/10 10:40 PM     Remind Me!  Send Private Message   Edit Post   
I am not aware of any oil filter housings having thermisters.



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