RE: fan settings
HHP's Recommendation/Tips: Combine the Diablosport Predator with the Jet 180 Thermostat. Using the fan control settings on the diablo in conjunction with the lowered thermostat will allow you to keep your Challenger running cooler and keeping it from going into Heat Soak mode due to idling or city driving. This will keep you from losing power and throttle response. Recommended settings to use:
All HS Fans (High Speed) AC On & AC Off: 194 degrees
All LS Fans (Low Speed) AC On & AC Off: 189 degrees
All MS Fans (Medium Speed) AC On & AC Off: 192 degrees