Nice that it has 4 wheel drive for use in bad weather.
why a block heater instead of a tank style heater like the zerostart?
Cant be any worse than try to get to the plugs on my wife's 2000 Explorer with the 5.0 V8. I'm really excited about changing those soon.
crumm- why a block heater instead of a tank style heater like the zerostart?
dp