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Installed my New Dimensions oil cooler kit this past weekend. I must say, in only a couple of days, I'm quite pleased with the results. I finally feel comfortable driving in the hot Southern California weather.
So far, the highest oil temperature I've seen was 240F. That was in stop and go traffic in about 90F heat without the AC on (since it's not blowing cold anyway). I wasn't too surprised at this since there's not too much airflow when your barely moving. Nonetheless, it hit 240F only for a short time and then immediately went back down to 236-238F.
The oil cooler does however make a difference when you're sitting still. When running the engine for the first time after installation, and while my car was up on ramps, I felt both the hoses. One was very hot, while the other was significantly cooler.
While driving from on the freeway from LA to San Diego yesterday morning in about 80F heat, the oil temp leveled off at about 224F! I turned on the AC in an attempt to see the results, but the temp stayed at 224F. My AC is not blowing very cold, so I'm not sure if this implies a freon leak which means the compressor wouldn't have to work very hard which explains the lack of AC drag on the engine, or maybe the oil cooler just makes that big of a difference.
So far, I've yet to see any fresh oil drops in my parking spots, but I'm keeping an eye out and will probably place some cardboard under the car to make sure one night. Also, I haven't yet re-installed the gravel guard (for leak checking). I guess that once I do, the oil cooler's performance will be slightly less. Coolant temperature oddly remains at around 230F though just slightly more below the 230F mark than before. I'm going to try the high pressure water through the radiator from the engine bay method someone else on the list mentioned.
I've had the oil cooler for over a year and didn't install it. I was able to make it through the SoCal summers and keep the Corrado from getting too hot. The final motivating factor was a drive to Vegas in a friend's Acura Legend. We were going 90-100 uphill in mid-day 100+F heat with the AC on, and we drove right by an SLC sitting on the side of the freeway. I thought to myself, I know why he's sitting.
I just wanted to re-iterate to the list that having an oil cooler is probably one of the best things you can do for your Corrado (and yourself). If you're like me, you probably watch that oil temp like a hawk when you're out driving in the warm weather. Nervous about how high your temps will reach, and driving in a fashion you believe will keep temps down. Well, ever since I installed my ND oil cooler, I rarely check my oil temp, and when I do.. it's only out of curiousity to see how well my cooler is working. I drive how I want, as hard as I want, whenever I want without even a second thought to engine heat now. I think the highest temp I've seen since I installed it has been 242 degrees, and that was in LA summer weather during city driving. 224 is common for me when I'm highway driving in heat with AC on.
Installing that oil cooler has been the best mod done to my Corrado yet.
Anyway, I'm not affiliated with New Dimensions and have nothing to gain from this little plug. I just wish I could share with you guys the feeling of freedom/relief my oil cooler has given me. Sounds lame.. (really lame actually) but whatever. :)
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