Tech article by John Morton (thesnake)
The heater box in my 66 Half Cab looked pretty sad. I still have the heater box from my previous 73 Bronco sport. The following are the steps I took to refurbish the heater box, plus seal it and installed a new heater core. I bought the following parts from [...]

Tech article by David Neuman II (daves77)
This is a replacement heater for the stock classic bronco heater. The OEM heater in the classic bronco just does not supply enough air for the cab or the defrost, this replacement sends out enough air at 20 times the amount of the stock heater, with the heater craft, [...]