1968 Barracuda Cooling System Upgrade Questions

• OE mechanical fan setup. Something with a wide 5-7 blade setup
• With Hayden 2947 low profile viscous fan clutch
• Buy a factory shroud for for factory radiator
• Or build one to fit a Champion radiator

Building a Custom Fan Shroud: Pic by Pic

Kendog170 made a great one out of fiberglass fairly simply:
What Radiator, Shroud and electric fan should I use for my 360?

Powerful high amp electric ones introduce a new set a failure modes. For instance your electrical wiring must really be up to snuff.

The mechanical stuff is reliable. You need to work on the reliability of your car. And keeping things simple