2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

AC radiator -> oil cooler?

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Old Sep 2, 2008 | 12:01 AM
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From: Lake Stevens
AC radiator -> oil cooler?

Can you turn the AC radiator into a larger oil cooler? Or are the lines too small? I was doing some stripping down + had a thought.
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Old Sep 2, 2008 | 07:33 AM
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From: Mile High
Just looking at the two- and never having tried it- I'd imagine that the pressure drop through the larger AC unit would be considerably higher than the stock cooler.
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Old Sep 2, 2008 | 09:18 AM
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What have you done to your car that makes you think you need more oil cooling? The stock coolers are far better than most oil coolers in modern cars. What are you oil temps now? Cooler oil is not always better either. The stock cooler also has a thermostat to keep the oil from getting too hot. You would have to eith run an aftermarket oil t-stat, or not run one at all which is not good. These are just a few things to think about BEFORE even considering if the AC condensor itself would even work.
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Old Sep 2, 2008 | 09:50 AM
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From: Mile High
Originally Posted by Shainiac
The stock cooler also has a thermostat to keep the oil from getting too hot.
Actually, the stock cooler's thermostat bypasses (mostly) the cooler, which forces the oil to get up to temp faster.
In other words, it doesn't keep the oil from running too hot, it keeps it from running too cold.
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Old Sep 2, 2008 | 02:44 PM
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DOH! Dylexia strikes again. I MEANT to say too cold, but my proof reading skills fail. The thermostat is to help warm the car up and to keep the oil at opperating temps. Thanks Clokker.
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Old Sep 2, 2008 | 02:47 PM
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The main problem I see is that the inlet/outlet pipes on the condenser are way too small.
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Old Sep 4, 2008 | 05:38 PM
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Ah. I figured they were too small + that there's a ton of other **** in the way. Just an idea I had though.
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Old Sep 4, 2008 | 05:48 PM
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Funny thing though, I know of several people that use AC condensors as automatic tranny coolers for dirt track enduro cars. Since Enduros are basically demo dirbys in a circle, the mount them behind the driver with an e-fan. Takes all kinds I guess.
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