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Faster engine warmup
During this cold season, I have been turning off the car heater until I see normal operating temperatures from my coolant gauge (approx 4min). My theory is that this slightly reduces the time needed to warm the engine and enter closed-loop mode. Is there any benefit to my practice? If so, any guess as to how much of a benefit could be found?
The idea sprang from what I had learned about an over-heating car I used to drive in high school. Whenever the car would begin to over-heat, I would blast the heat on full to control engine coolant temps. Not fun when it's 100 degrees outside!
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