Thread: Coolant Temp?
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Old 04-26-2012, 10:37 AM   #5
JFP in PA
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Join Date: Feb 2005
Location: It's a kind of magic.....
Posts: 6,277
First of all, you need to recognize that the dash gauge is woefully inaccurate, as well as non linear. Secondly, when most of these cars are showing “180” on the dash, they are actually more like 205-210F (the OEM thermostat is not fully open until nearly 200F). You can verify what temp your car is actually running by hooking up a decent scanner and checking what the real water temps are when the dash says 180F.

The 160F thermostat is an excellent mod as it will lower your actual water temps to the high 170’s to mid 180’s on an average day. More importantly, it will significantly lower your oil temps, which these engine’s sorely need……..
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