Yes, you can over cool oil and it will wear out your internals before their time. It's recommended to keep your oil temps at a minimum of 170-ish after the engine has normalized i.e. warmed up to normal operating temps. There are thermostatic plates available which will prevent your oil from over cooling.
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Vette: 355 cid, 400 rwhp
'13 CTS-V Coupe: 6.2L LSA, 556HP
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