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Discussion Starter · #1 · (Edited)
Can someone tell me what is involved to replace the PCM and install a tune in a 2016 5.7 Rebel, and your thoughts on how it drives with a tune? Can the MDS be turned off along with the Torque management?
I got rid of my 07 Ram sport that I had a Superchips tune in, and with a few transmission changes, and turning off the MDS it was 300% more fun to drive. And I had a intune i1000-DCX tuner in my 2013 Challenger with a custom tune. The car really woke up after I turned the torque management and MDS off. And I really like the firm performance shifts.
So, any information will be welcome. Thanks
 

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Step 1: Buy unlocked (or send yours out) PCM. Only 3 bolt in the engine compartment to removed (and two wire looms)
Step 2: Install in car
Step 3: Plug in Programmer (a step you are familiar with since you had one on your 2008.

Only real issue involved is the cost increase of needed a PCM unlock instead of just a tuner.
My PCM should be here tomorrow ;)

Most handhelds advertise they will allow you change/tweak shifting, torque management, etc....which one are you looking at specifically?
 

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Discussion Starter · #3 · (Edited)
Dodgestang, Thanks for the reply. The main reason I want a tuner is to reduce or get rid on the torque management, Throttle Lag, and get a firmer shift with the option of turning off the mds. I am not looking to run 92 octane fuel, But a small increase with a 89 octane would be nice also. I am not a fan of a drive train that pulls the power back during a up shift. The intune tuner worked perfect in my Challenger. It is to bad the i1000-DXC intune tuner I have will not work on the ram, so it is on ebay now for sale, Then I will get the latest Diablosport tuner that will work on the ram.
Thanks
 

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Go to the Diablo tuner website, and it gives you all the info you need!!!!
Diablo is currently on my 'hate' list. I ordered a PCM unlock from them....haven't gotten it yet, no status update, no response for status updates, no response in forum asking for information, every phone number listed doesn't work.....honestly I don't know why people put up with the crap. I would cancel my order and go elsewhere....but there is no way to do that either. :(
 

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Diablo is currently on my 'hate' list. I ordered a PCM unlock from them....haven't gotten it yet, no status update, no response for status updates, no response in forum asking for information, every phone number listed doesn't work.....honestly I don't know why people put up with the crap. I would cancel my order and go elsewhere....but there is no way to do that either. :(
Well my PCM showed up today...so I guess I can be happy again ;)
 

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Discussion Starter · #7 ·
Well my PCM showed up today...so I guess I can be happy again ;)
When you get it installed, will you post the differences you notice, like improved shift firmness, reduced torque management and throttle lag, etc? Thanks
 

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When you get it installed, will you post the differences you notice, like improved shift firmness, reduced torque management and throttle lag, etc? Thanks
I installed it today. I won't see any of those changes till I put a programmer on it....which isn't happening until I finish up the procharger install
 

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Discussion Starter · #9 ·
I installed it today. I won't see any of those changes till I put a programmer on it....which isn't happening until I finish up the procharger install
This sounds like a plan to me. Thanks
 

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Sure....the programmers only work on engine tuning. So nothing that will change the trasnmission directly unfortunately so I have to live with Torque Management pulling some throttle out...like when I am trying to do multi-gear burnouts ;)....or when I get a little wheel hop/tire spin during a fast start for say....a 1/4 mile run. I was going to switch to a full custom tune setup through HP who said they could manage the trans, but I opted not to at this point.

Throttle response increases with the tuner. You can also turn off MDS and set Traction Control to off (or rather as 'off' as you can get it anymore in modern cars....still there doing things I don't like).

I added a procharger so I have mods different than just a CAI and catback that most people seem to do these days which pair well with canned tuner tunes. I did run it with just a 93 tune out of the programmer for 2 days prior to installing....truck seemed a little peppier over all with just the tune.
 

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Discussion Starter · #12 ·
Stang, it is to bad that they can not do the magic to our 8 speed trans like they can do the 5 speed trans that is in the Challenge. I purchased a custom tune from Johan at Diablosport that did away with the torque management, throttle lag, and soft shifts. This trans shifts as hard as the built 727 torqueflight I had in my 440 Cuda. >:)
 

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Diablo is close to releasing TPM programming for the i2.. Some people have it for testing already and looks like it's going well.

This is apparently complicated on the 8 speed and there will not likely be many 'adjustable' parameters that you can get at without a custom tune being written.. I guess these transmissions are alot more complex than the NAG1.. I am just hopeful that they can tighten the shifts a bit..
 
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