Quote:
Originally Posted by X25
It might then be 320 degrees F like the C7 Z06? That car's coolant warning is 240, and reduced engine power level is 255 degrees F.
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I was at the NHMS track yesterday and there was a guy with a C7 Z07. He told me he used Motul 300 oil and overheated and switched to mobil 1 and stayed cooler. He did not tell me if he used different grades though. He also mentioned that 310 is the limit not 320.