Hmmm:

I was puzzled by your response that the lower compression 5.7L Hemi would benefit
that much from premium fuel. After some research, unbeknownst to me, back in
2009, Chrysler LLC raised the compression on the 5.7L from 9.6 to 10.5.

At 10.5 to 1, premium fuel can be beneficial for increased ...

I had this exact same issue on my 2011 300C 5.7L also. This was 2 years ago running the DS 93 Octane tune. It happened 3 different times just as described by the OP. I switched to a custom HemiFever tune then later to a Johan tune and never experienced another occurrence of this phenomenon.

The 2011+ 5.7 do not require a special CAI Tune like the older ones did. If you want, you can get a custom tune built just for your car.

Disregard. I did a better search parameter and located the answer!

Mike, I also placed my custom tunes in the tunes folder however once installed they no longer show up when looking at the folder in Windows Explorer but they are there when I select custom tune when the DCX is plugged into my car. Is there a way to remove these custom tunes from the tuner?

Mike, just to clarify, my wife has a 2014 RAM Laramie 5.7L with 8-spd 3.21 rear axle. If I purchase another intune-DCX for her truck I can load the 87 octane tune, run 87 octane and it will produce as much or more power than the factory tune?

This sounds interesting. Is this possible on a Hemi?

Is there a list of changes made by the various updates? I noticed my tuner was updated twice in just the past month.

Thanks Mike!

Thanks Mike!

What adjustments to the spark settings would I need to make on the 91 Octane tune to run 89 Octane fuel. I like the torque management reductions on the performance tunes but there are times I have to use 89 Octane.

mikel wrote:

Smokey613 wrote:Here is mine Mike. Thanks for all the assistance!

this tune is locked, you will need to ask your tuner to take care of this.

Thanks

Can you use this one Mike and turn off the "nannies" ?

Question for you guys with the TC/ESP disabled tune. Once you loaded the tune, did it also disable your cruise control?

Will do. Thanks Mike!

Here is mine Mike. Thanks for all the assistance!