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Engine Oil Coolers?

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Old Mar 23, 2015 | 11:01 PM
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Default Engine Oil Coolers?

Anyone makes an engine oil cooler kit for the Stingray?

I have the base car and it REALLY needs an engine oil cooler. As I got past the first 500 miles I begun revving the engine. Over my local winding roads I kept up with a couple of well driven LESSER cars which should really not make my Stingray even breathe hard.

However, in a matter of 5 minutes my oil temps were 280-290 before I had to back off. I was mostly in 2nd gear and some in 3rd. Was not pushing the car very hard and the air temps were only around 70F or less.

Water and transmission temps were OK but, the engine oil was way too high. I can not understand why Chevrolet decided not to install an effective engine oil cooler. It is not an expensive proposition when done in the factory.
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Old Mar 23, 2015 | 11:51 PM
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Here is your answer: https://www.corvetteforum.com/forums...his-thing.html
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Old Mar 23, 2015 | 11:58 PM
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Originally Posted by imxz28
Thanks for the reply. I had seen and knew about that engine cooler when I raised my new car to lower the springs. An other member in a different thread suggested to remove the center air dam from my base model that may be blocking air flows to that cooler. Apparently, the Z51 does not have that center air dam.

Still as a long time track racer I would not get too excited about the effectiveness of that kind of oil cooler. For extended low gear, redline driving generally a good, double-pass (Setrab) cooler is much more effective. We'll see if I get better cooling minus the center air dam.
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Old Mar 24, 2015 | 05:15 PM
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Still as a long time track racer I would not get too excited about the effectiveness of that kind of oil cooler. For extended low gear, redline driving generally a good, double-pass (Setrab) cooler is much more effective. We'll see if I get better cooling minus the center air dam.
You are correct. That cooler is useless when pushing the car hard as are many of the coolers that are inside radiator tanks. A large cooler that gets good airflow is the way to go.
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Old Mar 24, 2015 | 05:28 PM
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Originally Posted by ChucksZ06
You are correct. That cooler is useless when pushing the car hard as are many of the coolers that are inside radiator tanks. A large cooler that gets good airflow is the way to go.
I would guess the chief reason for the factories' reluctance to use air/oil coolers is the worry that in cold winter period such a cooler without a thermostat would leave the engine oil far too cold. With the water/oil cooler setup they are using thermostat controlled water to cool the oil, even though its effectiveness is far below that of a good air/oil cooler.

When racing SCCA GT and FM class cars we would actually tape up the oil coolers on cold days. That would be a pain to do on a street car. So, any good oil cooler solution should have an integral thermostat, IMO.

I did remove the full front air dam today from my car in hopes of minor heat improvements. Not sure, at all, if it is going to work as the air dam generally provides a low pressure area under the front of the car, which in theory, allows better airflows through the water radiator. I will have to keep a close eye on the water temps now, minus the air dam.
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