Ryan,

Do you realize your chassis has a Block Heater,from the Factory?
(All you need is the Power Cord)

Get an inexpensive A/C timer and plug the Block Heater in so that it
is set to go on 4 hours before you need the car.
Instant HEAT in the passenger cabin, as soon as you light off the engine.

__________________
'84 300SD sold
124.128