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I know this has kinda been beaten to death but I am going to ask again. My running temp on my car today at about 74 degrees outside, my car was operating at 163 degrees I thought this was kinda low. It really doesn't run much hotter than that even on the hottest of days, it might get up to 170 degrees or so. Just wanting to know if these are decent operating temps or should I maybe be thinking of replacing the thermostat (don't know what degree is in it now). Any help would be appreciated.
I was told by the previous owner that there is a Z06 hot cam installed. I have not been able to confirm this yet, but was at a dealer having my car service, don't have a jack yet to lift my car. The service manager after I told him this about the cam he thought the way it sounded it had a cam in it. Just thought I need to add this.
Last edited by DA1984VETTE; Jul 28, 2013 at 09:48 PM.
Likely a 160 T'stat was installed when the car was tuned for the cam. Many if not most tuners insist you run a 160 to get the most out of the tune.
An operating temp of 170 is just too cold for any car. The engine temp needs to occasionally get to above 200 to be able to evaporate any condensation that may accumulate in the oil. Perhaps the 160 is stuck open or perhaps there is even NO T'stat in it at all. Do you ever hear the fans for the cooling system operate?? If so, at what temp do they come on?
I would definitely look into why the car runs so cold.
First of all thanks for the responses so quickly. The fans do come on when the the car is sitting and the temps get to about 220 I think and the fans come on. I will check this out to be sure and let you know.
I did this a couple of times this winter when I let the car idle and run for a couple of cycles with the fans operating.