Quote:
Originally Posted by scootter
Honestly I don't pay much attention to that one... I mainly look at the oil pressure, water temp and fuel gauge.
I would say in the 90 to 100 range. My oil cooler is not hooked up.
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"90 to 100 range"? I trust that's °C, meaning 194-212°F. That's okay, though not great.
Regardless, I believe a 165°F thermostat means your engine runs too cool. While that may be better for power, it increases engine wear - though most of us will never drive our cars enough that such wear becomes a significant factor.
Operating temperature vs power and longevity:
HOTRODSRJ’s COOLING TIPS Operating temperature vs power and longevity!