SFT & GDE Comparison

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John Jensen

Active Member
Mar 22, 2016
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www.johnfjensen.com
Truck Year
2016
I posted this on another forum. For the reasons stated I thought it might be useful here as well.

It seems the AEM flash has created a rush for tunes for which there seems to be some confusion. So I made a comparison chart to help. My data is from the tunes' web sites and forums. If anyone wants to add items or comments I please do as I would like it to be as complete and unbiased as possible.
 

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John

Well-Known Member
Nov 13, 2015
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Nice job.
Double check the EGR-off as an option with GDE. I didn't think it was optional, but not 100% sure.
Dealer Detectable with GDE? I think if the dealer sent it off to FCA for analysis, it could be detected. I think FCA could figure out it was different than stock but maybe not specifically that it's GDE.
Both tunes could have tell tale signs such as turbo brake, high idle, cruise control speed, ECS off, etc.
 

John Jensen

Active Member
Mar 22, 2016
233
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San Diego County
www.johnfjensen.com
Truck Year
2016
Hi John

Thanks for the response. Good points but at this point, I'm not inclined to change my data for the following reasons.


Double check the EGR-off as an option with GDE. I didn't think it was optional, but not 100% sure.
SFT you have to select EGR-off. If I recall correctly GDE will leave EGR-on if you request it (a rare request).

Dealer Detectable with GDE? I think if the dealer sent it off to FCA for analysis, it could be detected. I think FCA could figure out it was different than stock but maybe not specifically that it's GDE.
Both tunes could have tell tale signs such as turbo brake, high idle, cruise control speed, ECS off, etc.
I agree. I entered "No" based on GDE's own statements. I'm in no position to refute their claim.

Double check the EGR-off as an option with GDE. I didn't think it was optional, but not 100% sure.
The last time I called GDE they would only say, "we don't support California".
 

John Jensen

Active Member
Mar 22, 2016
233
115
43
85
San Diego County
www.johnfjensen.com
Truck Year
2016
Some have asked for an update on my tune comparisons. Here it is:

Note the important comment
* Return SFT tune to stock b/4 dlr flash or tuner will lockup ($150.00 to unlock)
 

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John Jensen

Active Member
Mar 22, 2016
233
115
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San Diego County
www.johnfjensen.com
Truck Year
2016
Can I use wireless adaptor to tune with sofaking?
You need to connect to the SFT site, I don't believe it cares how you got there.
 

John Jensen

Active Member
Mar 22, 2016
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Truck Year
2016
You would have to ask SFT that question
 

John Jensen

Active Member
Mar 22, 2016
233
115
43
85
San Diego County
www.johnfjensen.com
Truck Year
2016
So John, what will you do with the CARB form from GDE ?
I filled it out and sent it to GDE the day I received it.

Why the question ❔?
 

M.A.

New Member
Nov 29, 2019
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Reno NV
Truck Year
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I filled it out and sent it to GDE the day I received it.

Why the question ❔?
[/QUOT
what I learned from your post your ED tune is a SFT one after you had the GDE? If I’m right. Someone had a point that fi SFT will ...let say disappear you will end up with no support to flash back to OM setting. Compared with GDE you can keep your OM ECM and sweep it in when you need it (for going to the dealer). What is your position about this? I’m just trying to learn about all this ECM tunes pros and cons. Mine is a 2018 less than 10k miles on it and have a lot of warranty remaining. I will love tu get the benefits from SFT stage 1 but I’m not clear yet about been catch in the chase need a repair under warranty
 

John Jensen

Active Member
Mar 22, 2016
233
115
43
85
San Diego County
www.johnfjensen.com
Truck Year
2016
With SFTs new ECUTouchscreen tuner you have you're OoEM tune and SFT tunes 🎵 in hand. You can restore and retune is needed