Lots of folks seldom, if ever, look down at their gauges while driving, so good for you, for catching this in time...again. High rpm's and thermostats usually don't mix. I found that running a restrictor in my water neck, not a thermostat, made my cars run cooler, because it kept the water in the radiator a tad longer, thus giving the water more time to cool. This was not on street engines, but race engines at high rpm's. Something to think about when summer temps arrive here shortly. Don't you hate it when your engine builder is right?
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