I am in the process of installing my VA unit and body work and paint, with a smoothed firewall. In mounting it according to the VA instructions there are two brackets. The rear one mounts up to the inner cowl. The front through an existing hole through the firewall. But I would like to have a smoothed firewall. Even the way it is mounted presently seems not very sturdy. My hoses will be run through the old fan hole and behind the fender, as I have seen some of your pics out there. My question for those that have mounted their VA unit and are running the hoses through the fan opening and have a smoothed firewall is. Did you make any other mounting brackets for the evaporator? What did you do to achieve a smooth wall without bolts going through it? Oh, also what did you do to achieve sealing off the kickpanel area to keep the water runoff from getting inside?