Speaking of Block heaters, How long would I have to plug in a 600w block heater to warm my engine up? it's a 6 cylinder. I'm just wondering because I'm gonna buy one, and saw that 750watts takes all night to warm the engine for a six, and like 2-3 hours for a 4 cylinder. It was specs. for a tank type. I'm about to buy a freeze-plug type specified for my vehicle, (not tank type) and the only type is a 600watt one. Also, should I go permanent or removable?
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