04-28-2011, 11:01 PM
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#22 (permalink)
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A True Z Fanatic
Join Date: Mar 2010
Location: LI, NY
Posts: 1,375
Drives: 40th TT
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Quote:
Originally Posted by ImportConvert
Oil gets well over 300* in the engine at certain points in its cycle. 240* in the pan isn't going to kill it. Yes, it will break down a touch faster, but with a good oil that shouldn't be an issue. It's well within the oil's designed operating parameters.
On the flip side, if you put a cooler in there, during the rest of your normal driving the oil might well be 150-170* and not protect nearly as well as it is thicker, has more resistance to flow, hurts fuel economy, and is not up to it's designed operating point.
There is a reason GM went to the trouble of preventing their cars from running around with mid 100* oil-temps.
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Your "follow GM" solution holds no value here, GM did not just remove the cooler, they designed the engine in a way to keep oil temps inline. For those of us that dont want our oil temperatures in a range where it affects performance and breaks down oil faster, all we can do is run oil coolers with a thermostatic plate.
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