Quote:
Originally Posted by Ecky
From what I've read, the block heater can only heat it so much before it levels out and the block loses heat as fast as it's added. 2 hours is into diminishing returns, and it's 400 watts, which is something like $500 per year to run 24/7.
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With my setup I begin to see diminishing returns after 3 hours of electric block heating. I have a Fire Blanket to help insulate the engine bay and I added a 125w pad heater to the block. It can get up to ~65°C (~150°F) after 3 hours but after that there is only heat dissipation and the temperature is only spread to the other componants of the engine bay. Makes a big difference from only 2 hours of only EBH without insulation. HTH