Has anyone ever took off all the mess on the firewall? I plan to have a electric heater in the Cab so I wont need the hoses from the engine or the radiator. Also I like to keep it old school with the windows down for A/C. I know once I unbolt it off the fire wall there will be big holes. Can I cover them up with just some type of metal? Also does anyone have links of someone doing it in a vid or pics. I don't like to go into it with out having an idea of how to do it.