Quote:
Originally Posted by 83Mule
Oil temp is going to be acceptable with a coolant temp of more than 180. Synth is stable to 425 so overheating the oil just isn't an issue except for the case of a catastrophic failure being imminent. I HAVE noticed the 4Runner has a ''lazy'' thermostat that takes a very long time to get up to temp even in 120 degree temps with the A/C on?! Anyone know if they are 195 thermostats?
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I would say it has a 180 degree thermostat judging by my gauge, or maybe a 185, I’ve never seen my coolant temps go over 190.