My husband and I are considering vehicles for towing a travel trailer, roughly 21ft w/ dry weight <3,500, for long distance trips. Fuel efficiency is important to me so I prefer the DD SXT V6 AWD over the V8s. Also, the extra 1,200 lb towing capacity over comparable midsize SUVs (Ford Explorer...
So I got 3 tunes from Sean at Hemi Fever.
1. 93 octane MDS ON, TQ Mgmt OFF
2. 93 octane MDS OFF, TQ Mgmt OFF
3. 93 octane MDS OFF, TQ Mgmt ON
#1 was ok, not too bad. #2 was rough. #3 is better but not as good as when I install the stock PCM in the car. That is butter smooth.
Here is whats...