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> Air Conditioned Oil Cooler, anyone seen one?
McMark
post Aug 11 2005, 06:31 PM
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I've had a bit of trouble trying to find an answer to this question. I'm hoping maybe ya'll can help.

I'm wonding if any company makes an oil cooler that is Freon/R12/R134/etc to oil cooler instead of an air to oil cooler.

I have a car that will have AC and needs an oil cooler. It seemed smart to run a small portion of the AC refrigerant to cool the oil (no air required). But I can't find any reference of anyone having done this before or anyone selling units.
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Crazyhippy
post Aug 11 2005, 06:34 PM
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There are lots of companies making water to oil exchangers (boats), but dont know of anyone doing a freon to oil cooler....

Great idea, but a bit of a power rob.
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bondo
post Aug 11 2005, 06:37 PM
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Why is Britt posting from McMark's account? (IMG:http://www.914world.com/bbs2/html/emoticons/lol2.gif)
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Cap'n Krusty
post Aug 11 2005, 07:15 PM
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Jaguar XJS, XJ6 and XJ12s had A/C cooled fuel. I suppose it could be done with oil. The Cap'n
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bondo
post Aug 11 2005, 07:22 PM
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The part that seems wacky to me is.. you pump the heat out of the oil, and stick it in front of the radiator.. and for it to work the AC has to be on, which adds an additional load on the engine. Doesn't seem like an efficient way to do things, unless for some reason you had to do it that way, or your oil was only too hot when running the AC.
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McMark
post Aug 11 2005, 08:11 PM
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With a 3.6 in a 914, I figure the power loss would be barely noticeable. (IMG:http://www.914world.com/bbs2/html/emoticons/wink.gif)

Plus you could only turn on the AC compressor when the oil got hot.
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McMark
post Aug 11 2005, 08:12 PM
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QUOTE (bondo @ Aug 11 2005, 05:22 PM)
The part that seems wacky to me is.. you pump the heat out of the oil, and stick it in front of the radiator..

If it's a freon to oil cooler it doesn't need to be in the air stream. (IMG:http://www.914world.com/bbs2/html/emoticons/wink.gif)
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bd1308
post Aug 11 2005, 08:13 PM
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sorry mark, i just had to post that.....
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McMark
post Aug 11 2005, 08:17 PM
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QUOTE (bd1308 @ Aug 11 2005, 06:13 PM)
sorry mark, i just had to post that.....

?????? (IMG:http://www.914world.com/bbs2/html/emoticons/confused24.gif) (IMG:http://www.914world.com/bbs2/html/emoticons/unsure.gif)
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bondo
post Aug 11 2005, 08:24 PM
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QUOTE (McMark @ Aug 11 2005, 07:17 PM)
QUOTE (bd1308 @ Aug 11 2005, 06:13 PM)
sorry mark, i just had to post that.....

?????? (IMG:http://www.914world.com/bbs2/html/emoticons/confused24.gif) (IMG:http://www.914world.com/bbs2/html/emoticons/unsure.gif)

He's just playing along with my gag... (IMG:http://www.914world.com/bbs2/html/emoticons/biggrin.gif)

QUOTE
Why is Britt posting from McMark's account? (IMG:http://www.914world.com/bbs2/html/emoticons/lol2.gif)


(my gag was because the unusual ideas often come from Britt) (IMG:http://www.914world.com/bbs2/html/emoticons/smile.gif)
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mihai914
post Aug 11 2005, 08:26 PM
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Here is a PDF document explaining the functionning of the fuel cooler on a Mercedes similar to what the Cap'n was talking about, I know that this thing gets really cold when refrigerant is running through it.


Attached File(s)
Attached File  47_400.pdf ( 47.69k ) Number of downloads: 71
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McMark
post Aug 11 2005, 08:28 PM
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I get it now. (IMG:http://www.914world.com/bbs2/html/emoticons/pinch.gif)

I still think it's a damn fine idea on a 3.6. Definitely not a good idea on most engines. I'm just trying to keep the front trunk somewhat useable on this project. (IMG:http://www.914world.com/bbs2/html/emoticons/wacko.gif) I'm still fishing for ideas, so you haven't heard my last question like this. (IMG:http://www.914world.com/bbs2/html/emoticons/wink.gif)
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McMark
post Aug 11 2005, 08:30 PM
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Thanks Mihai.

If only there was one that was a lot larger. (IMG:http://www.914world.com/bbs2/html/emoticons/idea.gif)
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bd1308
post Aug 11 2005, 08:32 PM
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some people use freon to cool thier computers....


i call them dumb.
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mihai914
post Aug 11 2005, 08:37 PM
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QUOTE (McMark @ Aug 11 2005, 10:30 PM)
Thanks Mihai.

If only there was one that was a lot larger.  :idea:

You're welcome.

It seems so simple that making one shouldn't be much trouble, something nice out of aluminium and TIG welded...

The hard part would be the fittings in my opinion.

Another idea from Mercedes again, some models have a heater spiral in the windshield washer tank.

You could install a refrigerant cooling coil in your oil tank depending of course of location and the type of tank you will be using, that is probably easier to do.
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bondo
post Aug 11 2005, 08:37 PM
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QUOTE (McMark @ Aug 11 2005, 07:28 PM)
I get it now. (IMG:http://www.914world.com/bbs2/html/emoticons/pinch.gif)

I still think it's a damn fine idea on a 3.6. Definitely not a good idea on most engines. I'm just trying to keep the front trunk somewhat useable on this project. (IMG:http://www.914world.com/bbs2/html/emoticons/wacko.gif) I'm still fishing for ideas, so you haven't heard my last question like this. (IMG:http://www.914world.com/bbs2/html/emoticons/wink.gif)

Yeah, I can see how it would be useful in cetrain applications (like that one). What about the "oil cooler" that sandwiches between the engine and oil filter on some cars? It runs engine coolant through it, and supposedly cools the oil (I'm not sure the delta-T is enough for it to work very well). But if you ran freon through it... I wonder if it could handle the pressure.

I think I still have the one off my LT1 (I took it off because if I need an oil cooler I'll use a "real" one). You can have it if you want something to play with.
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mihai914
post Aug 11 2005, 08:38 PM
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QUOTE (bd1308 @ Aug 11 2005, 10:32 PM)
some people use freon to cool thier computers....


i call them dumb.

Yeah but Mark isn't trying to run his motor at a billion gigahertz (IMG:http://www.914world.com/bbs2/html/emoticons/smile.gif)
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bd1308
post Aug 11 2005, 08:41 PM
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88hp is fine for me...
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DJsRepS
post Aug 12 2005, 04:59 AM
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I do A/C repair. There are parts called heat exchangers. Has in and out for freon and in and out for another fluid to be heated or cooled by the freon. One of the smaller ones are on the hot water recovery tanks uses hot freon gas to heat some water. If piped after the evap in the car it may super heat the suction so bad that it would take a car's already over worked condenser heat and head pressure bad things could happen. The A/C unit would have to do one task or the other. Cool the car or the oil.
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bd1308
post Aug 12 2005, 06:21 AM
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why don't people use this at home???

freon, when compressed, gets quite warm....

object is to shed heat.....run some cold water through it....

and you have an increased effeciency in your cooling abilities with freon
and wamer water for the hot water heater...
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