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Ok, tested a few theories today:
Test 1: I got a new radiator cap: it is a cheap Stant cap, I didnt want to drop $30 and wait a few days to get a Blitz/Nismo/HKS, etc. Put that on and car still got almost to the H on temp gauge after getting to operating temp and driving around for a few minutes.
Test 2: I removed the thermostat and performed a boil test on the stove. T-stat starts opening at 170 degrees F and is fully open at about 195 degrees F, performed this test twice to verify.
Test 3: I ran the car without the t-stat in it, after I fully bled the system. The car did NOT overheat, but the temp indicator did not get all the way to the middle (operating temperature) it was on the second or third mark.
So, do I put this t-stat back in or order a Nismo t-stat (lower opening temp). Or do I have a bad temp sensor or gauge? I am aware the stock temp gauge isn't very accurate, but before the rebuild, the temp gauge did not do this.
What do you guys think?
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