GDP vs Tyrant - Ford Powerstroke Diesel Forum
6.7 Performance Parts Discussion (2011-2016) 6.7 Performance Parts Discussion

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post #1 of 54 Old 05-13-2019, 09:13 AM Thread Starter
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GDP vs Tyrant

Have any of you guys run both and notice which one you like better? Give me input. Iím in the market for delete tuning.


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post #2 of 54 Old 05-13-2019, 12:53 PM
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Im in the same market, I’ve chosen to go with tyrant when my time comes im just waiting to see when the bomb blows up (P20EE and P0401 CEL codes). I’ve heard nothing but good things about them and look forward to buying the tow and performance tunes from them.

Just out of curiosity, why are you choosing to knock off those emission parts (delete)?
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post #3 of 54 Old 05-13-2019, 01:11 PM
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You can't go wrong with Tyrant, he'll work with you to make your tune right and the power is unreal as well as MPG gain. Can't say for GDP though but have also heard good things.

I've got a nice shiny GTX for sale with tunes already on it, save some cash!

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post #4 of 54 Old 05-13-2019, 01:26 PM Thread Starter
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Iím choosing to delete because I want to see how the 6.7 would be without emissions since they still run decent with emissions.


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post #5 of 54 Old 05-13-2019, 01:29 PM
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Iím using GDP, and thereís a page on fb where I can communicate with them if I have any issues. Had some questions when installing and they responded immediately and got me straightened out. Running the Banana smoothie rumble tune with 2nd gear TC lock and itís nice Iíd say you couldnít go wrong with either one to be honest.


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post #6 of 54 Old 05-13-2019, 02:13 PM Thread Starter
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Ok. I am kind of picky in terms of transmission shifting and throttle response. I want tunes that are very responsive and downshift immediately when the engine lugs. Do GDP tunes have separate hiss and rumble tunes also?


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post #7 of 54 Old 05-13-2019, 02:17 PM
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Yes there is regular banana smoothie (Hiss) and banana smoothie rumble. The TCM tune that I have is very firm, raises the shift points by 6mph I believe. Iím still iffy about the tcm tune only because it wonít shift into 6th until about 48mph, and every once in a while there will be a very hard downshift from 3-2, but I think my transmission is still adapting to the new tunes. Hasnít done it in a while and only seems to do it if it shifts into 3rd and has to downshift immediately after. Also 1st is extremely short


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2011 F250 King Ranch
5" Downpipe back exhaust
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H&S Mini Maxx Tuner
Unplugged EGR
6" lift with 355/55/20 K02's
Factory King Ranch Wheels
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post #8 of 54 Old 05-17-2019, 08:41 PM
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I don't think you can go wrong with either. Both very reputable. I just did Tyrant today on a friends 16 250 "race" truck and it worked flawlessly.

I have a GDP tuner in hand for my 3.0 Power Stroke and I called them the other day to ask a few questions, was on hold for maybe 15-20 minutes, but once i got thru, questions answered, I have also emailed them a few times and they reply within the hour. From what I have been told just stay away from PPEI on the Fords...
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post #9 of 54 Old 07-03-2019, 11:29 AM
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I am looking for new tunes for my truck. I currently have Punch it performance tunes and they are good. I am just looking for something different and more updated. I tuned mine right after I bought it at 30K miles. I have a SCT LWTS and looking for someone who can write tunes for it. Things like locking the TC thru certain gears and adjusting shift is not something I have on mine. Also can they use the turbo to assist in engine braking? My 6.0 does this when it is in tow haul and its pretty cool. Where is the best place to go to get these or can I get them direct. Happy 4th

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post #10 of 54 Old 07-03-2019, 11:23 PM
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Quote:
Originally Posted by 11kingranch View Post
Yes there is regular banana smoothie (Hiss) and banana smoothie rumble. The TCM tune that I have is very firm, raises the shift points by 6mph I believe. I’m still iffy about the tcm tune only because it won’t shift into 6th until about 48mph, and every once in a while there will be a very hard downshift from 3-2, but I think my transmission is still adapting to the new tunes. Hasn’t done it in a while and only seems to do it if it shifts into 3rd and has to downshift immediately after. Also 1st is extremely short


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I

was using the same tranny tune. I messaged them through my ezlynk and asked for a medium shift point. About 20 minutes later they updated my ezlynk with a medium +4 mph shift tune. GDP is very responsive.

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