Hi-Has anyone tried the block heater that fits in the lower raditor hose? With winter coming I would like to install a heater, but I don't think I want to try to remove a plug that's been in for 20 years. I don't understand how a heater in the lower rad. hose would help much. But if it does it would be a lot easier to install. Here in Maryland we do get a few extremly cold nights where my car would not start early in the morning.

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Mike