I went ahead and installed the fans since all the parts showed up as I'm bored.
Shopping list:
2- 9" fans 17545K83,
https://www.mcmaster.com/17545K83/
2- Motors Dayton 3LCH7,
https://electricmotorwarehouse.com/1...n-2m197-3lch7/
2- 304 Stainless panel brackets,
https://www.mcmaster.com/1755A71/
1- 6ft 6063 3/4X3/4 1/8" wall square tube,
https://www.mcmaster.com/88875K52/
1- 6ft 6063 3/4X3/4 1/8" angle (motor mounts),
https://www.mcmaster.com/4630T22/
Various stainless mounting screws.
All items except Stainless brackets painted with Acry Glow high solids silver.
All holes for mounting the, Motor mount angles, Square tubing to brackets were tapped 10-32. Brackets to car are 1/4-20 Stainless with self-locking nuts and fender washers.
Wiring runs inside square tubing, Sealed wiring at area it enters the motors in case I ever hit rain. Local frame ground. One power wire to a new relay and fused circuit. Toggle activates the Relay ground VS positive + power relay activated.