I was about to question why you'd think it did something for warming up the engine, but I re-read that same post as well. Completely missed that it was positioned before the heater core...
Originally Posted by Mark
Ideally, even if they were costly to operate, they should only be on for 10-15 minutes at most so I doubt there's a huge gain to be had. At least I don't have to think about it for another 11 months, we're done with the cold weather already
I know for a while Ford used electric heaters in the Power Stroke-equipped SuperDutys (Duties?) to fill in until it was up to temp, but I'm not sure if it's pre-heater core.
Originally Posted by klroger
View my fuel log 2017 Mirage GT 1.2 automatic: 37.5 mpg (US) ... 15.9 km/L ... 6.3 L/100 km ... 45.0 mpg (Imp)