I am just curious as it seems my GTP is running a little cold. Temp gauge sits at about 1/3.
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I am just curious as it seems my GTP is running a little cold. Temp gauge sits at about 1/3.
my '97 runs at about 200*
That sounds about right, Mine sits a lil above that range but not so far away from what you are saying to worry about.
I posted this in another thread a while back with the excat numbers for fan turn on and off, but I'm not on my tuning PC at the moment. With a stock thermostat (195) and stock PCM settings, you should be reading a little over 200*. If you believe it to be much less than this then your thermostat is stuck open. A lot of the new t-stats are fail-safe. When they fail they fail open, so you don't get over heating and boil over. Nice improvement IMO.
I agree, I put one in my car when I first got it (I didnt have one in it) and I dont remember exactly how much later, probably a year or more, the Tstat failed and it locked open. Instead of being stranded somewhere waiting for the car to cool off or for someone to come get me (I was about 5 miles outside of town and on a out of the way dirt road) I was able to continue on. Coolant temperature was next to nothing but it was drivable all the way to parts store so I could pick up another one.
Didnt mean to hijack, I just wanted to throw that in there for consideration. Autozone sells them under the MotorRad brand I believe it is.
I have a 180* drilled that is used during the summer and a 195* non drilled for winter. The 180* drilled takes forever to get up to temp in the winter. Drilling a t-stat is equivalent to the t-stat being partially open when it would normally be closed. I've ordered a 180* non drilled to try out for all seaon use.
A little off topic, but since the OP question has been answered, I thought this may be be helpful, in the event someone does a search later for "which thermostat".
Thanks folks!
I was wondering what the 190 would give, as it seems this is running with a 160 deg. I had one in my IROC...never really blew hot air in the winter...
the 160 is designed to trick the computer into thinking the car is in cold start mode so it dumps more fuel, but won't warm up very well (not to mention is less efficient and wears out a bit faster due to cylinder washdown)
I think I'm going to have it looked at.
Keep in mind that the temp gauge isn't very accurate. What the PCM reads from the sensor is important. I think mine is as much as 15* off from what the PCM actually sees.
yes that is a good point, I check mine with my scanner
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