Quote:
Originally Posted by TestDrive
Don't think frost plug style heater can be directly compared to tank heater. Frost plug heater only heats the engine block. Depending on how it's installed, a tank heater can potentially heat the entire cooling system.
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Is there a problem with a frost plug block heater? In -5C my car starts off with 35 to 40C coolant temps. That is half way to operating temp.
Also on a cold day, I don't know if 1500W could actually get a rad up to higher temps than a normal block heater, I might think it might even be lower. The rad is designed to lose heat after all.
Ian