Quote:
Originally Posted by oldtamiyaphile
Define 'fully warmed up'.
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I guess 'warmed up' can be broken into two levels: 'Operating Temperature' and "Fully Warmed Up', which are two different things.
Operating Temperature - thermostat opening temperature, which is 177F on my car, normal for a 180F thermostat in cooler ambient temperatures
Fully Warmed Up - thermostat opening temperature plus half an hour (or maybe an hour?); the time it takes for the engine oil to be fully warmed up and all the residual water/hydrocarbon vapours to be fully boiled off.