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Have had my 17 ED since Dec '17. Love the truck. I'm still running stock. Like many I too have experience the turbo lag but have not ever had any life threatening experiences. Approx 17K of my 30K miles on the truck have been towing my 23' TT. So, question. What have others experienced, both positive and negative with the GDE Hot Tune? I'm looking for real experiences in MPG, Turbo Lag and Towing. I look forward to hearing your experiences.
 

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I gained a few mpg and the truck is all around better in every way. The truck has pretty much no lag anymore. It seems a little more peppy. Towing seems better for fuel economy and ease. The egr is shut off so ya get a cleaner engine and oil. Negatives I really don't have any to list.
 

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Get the tune! Shutting off the soot making EGR alone is worth it, the rest of the benefits are frosting on the cake
 

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There is no turbo lag on a stock truck. It takes fuel to spool the turbo. The problem is the factory tune fails to respond to pedal input which is just piss poor tuning. GDE apparently has corrected that. I'm still stock on my 17 but have had the fear of being hit due to it not responding at all. When you punch it farther it snaps your head back as it finally fuels and lights the turbo. The variable geometry turbo spools faster than older turbos but no matter what the engine has to fuel and rev to spool it.

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You serious?

I mean the praise for GDE, clean-running, better quality operation, extra features and smoother power are all over this forum and the internet. You have been a member here for 5 years. During that time literally thousands of posts praising GDE have shown up here. There is even a topic in the venders' section with more information. From a mechanical reliability standpoint, emissions reliability and more - GDE has a major track record of success. So much success it is really and seriously a MUST for all Ecodiesel owners.

Where you been all these years? You must not be reading or paying any attention to this forum. The forum members here should not be asked to help those that will not help themselves.
 

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That all is true I am sure, however my truck runs much better since the AEM . I may get a tune, not sure since the truck is running so well, but if I do it will not be GDE unless they pony up with a OBDII handheld. By the way, I am speaking for three Eco Diesel engines, and my wife and daughter are very pleased with their Jeep's performance
 

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I have been giving some thought in how to respond to this response. Gotta say, it's not at all what I expected from this forum. Yes, I have looked at several postings regarding GDE Hot tunes, however I haven't devoted all of my time in researching other GDE postings. Some of the ones I have read have gone from the sublime to the ridiculous. Some have been absolutely hammered as being bogus or out and out lies regarding the claims made. Others have been very conservative in their claims. In my 70 plus years, I have learned that it's not out of line to ask an honest question of those who may be more in the know about a given subject than me, hence my question to the forum. It appears that I have received a few honest responses. The bottom line is that I'm still in sticker shock after putting out over
$40K+ for a 1/2 ton pickup. The additional $700-$1000 for an upgrade to my truck seems worthy of some additional research. As you mentioned, I have been a member of this forum for over 5 years. Others postings carried a great deal of weight in my decision to buy the truck.
 

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I have been giving some thought in how to respond to this response. Gotta say, it's not at all what I expected from this forum. Yes, I have looked at several postings regarding GDE Hot tunes, however I haven't devoted all of my time in researching other GDE postings. Some of the ones I have read have gone from the sublime to the ridiculous. Some have been absolutely hammered as being bogus or out and out lies regarding the claims made. Others have been very conservative in their claims. In my 70 plus years, I have learned that it's not out of line to ask an honest question of those who may be more in the know about a given subject than me, hence my question to the forum. It appears that I have received a few honest responses. The bottom line is that I'm still in sticker shock after putting out over
$40K+ for a 1/2 ton pickup. The additional $700-$1000 for an upgrade to my truck seems worthy of some additional research. As you mentioned, I have been a member of this forum for over 5 years. Others postings carried a great deal of weight in my decision to buy the truck.
I think you’ll love the Hot Tune. I installed it on my truck somewhere around the 25k mark. I now have 106k on my truck with zero issues related to the tune. And I’ve also had my truck in the dealership a couple of times. Whenever I go, I simply tell them not to flash the truck. They have never given me any flack about it. Hopefully this week I’ll get the AEM update installed. When I do, I’ll be reinstalling the Hot Tune ASAP. Then I’ll also add the transmission tune. You mentioned towing a travel trailer. I highly recommend the turbo brake option. Totally worth the $50.00 extra.
 

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GDE tune is simply the best money you can spend on your truck. DO IT. Trans tune is also good but if money is short just do the hot tune.
 

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You will love it and wondered how you lived without it!
I got mine in my 17 at 10k and was a huge difference in towing m, no more turbo lag, and better fuel economy.
Power seems so much more “there” when I want it, probably due to increase response.

Things to watch out for if you get GDE tune:

Warranty work or even an oil change at the dealer and he will reflash your computer and wipe the tune without telling you.. they reflash upgrades automatically.

If this happens you will need to send your ecu back to GDE, and although yes it’s only $50, what they don’t tell you is all the extras(addons) you had with it are full price!
Like, DEF disable, gear down, cold weather kick down etc ended up costing me several hundred dollars!

If you disable DEF, make sure it is always full! Add a few gallons every year to top it off.
The def fluid evaporates in the tank eventually and crystallizes on the pump, destroying it. And it cost thousands to fix it!
I was lucky, after the first year it was still under warrantee but they questioned how I was able to drive it empty. I played dumb of course and they had already wiped my ecu. Which is how it came up,, if they had not, I would have never known until after i traded it in or sold it.


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Things to watch out for if you get GDE tune:

Warranty work or even an oil change at the dealer and he will reflash your computer and wipe the tune without telling you.. they reflash upgrades automatically.

If this happens you will need to send your ecu back to GDE, and although yes it’s only $50, what they don’t tell you is all the extras(addons) you had with it are full price!
Like, DEF disable, gear down, cold weather kick down etc ended up costing me several hundred dollars!

If you disable DEF, make sure it is always full! Add a few gallons every year to top it off.
The def fluid evaporates in the tank eventually and crystallizes on the pump, destroying it. And it cost thousands to fix it!
I was lucky, after the first year it was still under warrantee but they questioned how I was able to drive it empty. I played dumb of course and they had already wiped my ecu. Which is how it came up,, if they had not, I would have never known until after i traded it in or sold it.
It's been my experience that this is wrong. I've had my GDE ECM updated several times and was never charged a second time for the add-oin options. Each update was only $50, nothing additional for all the options I have (regen msg, high idle, turbo brake, oil pressure sender).

Fill the DEF tank half full with distilled water if you have the DEF system turned off.
 

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Ditto to the above post. They don’t charge extra for the options if a reflash is needed, it’s still $50.

GDE spent many hours testing their tune before it was released. The tune is subtle, there are no night & day differences your really going to notice except for the lack of hesitation most have experienced with the stock tune and the way the oil stays clean do to the EGR being turned off which as stated above is worth the price of the tune if you plan on keeping the truck any length of time. The other benefits such as the lack of check engine lights for emissions equipment, slight fuel mileage increases, reduction in soot production, less regenerations, are all icing on the cake.
 

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I have been giving some thought in how to respond to this response. Gotta say, it's not at all what I expected from this forum. Yes, I have looked at several postings regarding GDE Hot tunes, however I haven't devoted all of my time in researching other GDE postings. Some of the ones I have read have gone from the sublime to the ridiculous. Some have been absolutely hammered as being bogus or out and out lies regarding the claims made. Others have been very conservative in their claims. In my 70 plus years, I have learned that it's not out of line to ask an honest question of those who may be more in the know about a given subject than me, hence my question to the forum. It appears that I have received a few honest responses. The bottom line is that I'm still in sticker shock after putting out over
$40K+ for a 1/2 ton pickup. The additional $700-$1000 for an upgrade to my truck seems worthy of some additional research. As you mentioned, I have been a member of this forum for over 5 years. Others postings carried a great deal of weight in my decision to buy the truck.
My 17 has the lack of throttle response when cold, I dont drive hard so when I pulled out I eased into the throttle until the point I knew I was going to get hit and had to push it down to get it to go. My dealer offers a lifetime powertrain warranty so I had no intention of tuning the truck due to what might happen. Now that I see ram has dropped their prices so low on trucks like mine that I'll never be able to sell it, I'm considering tuning it to keep it. I've got it listed at 33k with 16000 miles and not one person interested. I had an 02 duramax and attempted some of my own tuning with efi live. A poor tune yielded poor results or a tuck that was hard to drive which is what the factory has done, it's a terrible tune. What I'm getting at is, there is no doubt in my mind that GDE (and others) have apparently made a very good tune that corrects the issues the factory created.

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Warranty work or even an oil change at the dealer and he will reflash your computer and wipe the tune without telling you.. they reflash upgrades automatically.

If this happens you will need to send your ecu back to GDE, and although yes it’s only $50, what they don’t tell you is all the extras(addons) you had with it are full price!
Like, DEF disable, gear down, cold weather kick down etc ended up costing me several hundred dollars!
Wrong.
 

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...
Things to watch out for if you get GDE tune:... If this happens you will need to send your ecu back to GDE,
and although yes it’s only $50, what they don’t tell you is all the extras (addons) you had with it are full price!
Like, DEF disable, gear down, cold weather kick down etc ended up costing me several hundred dollars!

If you disable DEF, make sure it is always full! Add a few gallons every year to top it off.
The def fluid evaporates in the tank eventually and crystallizes on the pump, destroying it. And it cost thousands to fix it!
I was lucky, after the first year it was still under warrantee but they questioned how I was able to drive it empty.
I played dumb of course and they had already wiped my ecu.
Which is how it came up,, if they had not, I would have never known until after i traded it in or sold it.


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..
WRONG ... not only all the options remain , add to that , even if you sell your tuned ECM to someone else , (when
you sell your truck ) , the tune is transferable , and whoever buys your ECM from you , keeps all the options you had
at no extra cost .

I see you have a 2017 , you must have had the early 2017 hot tune , GDE had not figured out the new software completely
in the first version of the 2017 tune , and the DEF was turned OFF , they soon figured the thing out , and DEF usage was
back in with the hot tune , unless you paid for deactivation of DEF , not recommended for reasons you wrote , that is why GDE
reinserted the DEF function on the tunes.
it was in early june 2018 , see here : see post # 30 in this thread :
http://www.ram1500diesel.com/forum/ram-1500-diesel-tuning/57314-my-gde-hot-tune-impression-2.html#post891312
 

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Braumeister, I was like you, I researched for several months, if not a year, reading post after post. The thing I was really looking for was the "negatives", and in all honesty, it was really difficult to find posts that were negative about GDE, which told me something, people are happy with it and it's been around for many years.

I PM'd different people who had different tunes to get their honest feedback. Some had tried different tunes so they were great conversations to have to hear the comparables. I'm up in Canada, so for me, the options were Celtic Tuning or drive down to Detroit and get GDE. Of everyone I talked to, many had one and switched to the other, but it always came back to "get GDE" it's far superior.

Yes, you can get HP gains from pretty much most tunes, but that's not what I was after. I wanted a tune that would fix up all the problems that the stock tune was creating in hopes that my truck would last until the day I was ready to sell it... And I wasn't into paying for two different tunes just to test one vs the other. I don't have that kinda money to burn.

With GDE, I reported the following:

i) stock regens on my 2016 truck were happening around every 150 km (approx every 2 days). When I got GDE, my regens now occur every 1100 - 1200 km (approx once every 3-4 weeks). That alone is less wear and tear on the DPF (the heating cycle of getting up to 1300 F and sustaining those kinds is temps is bound to take it's toll on the DPF in few years, so if I can reduce regens, that's a POSITIVE. Also fuel economy takes a hit everytime we regen so that has improved. And extra unburned fuel (not sure on this) but IMO, could end up in the cylinders / oil and create fuel dilution which was a reported problem with other tunes that didn't reduce regen frequency. Fuel dilution is not good for bearings!!

ii) cleaner oil, cleaner intake, cleaner diffuser tube, cleaner MAP sensor is a plus (no computer issues).

iii) increased MPG - With stock, I was averaging around 23 - 25 mpg, with GDE, if I drive conservatively, I'm up in the 29-30 mpg range.

iv) no more lag when you hit the gas. With the original stock tune, (I never got the AEM), I also had issues pulling onto the highway, cutting someone off, hitting the gas and waiting 3-4 seconds before the truck would move. Now, I can do that with GDE and not worry cause the truck responds when I need it to move.


GDE is not a big HP gain, nor do they sell it as such. For me, it was about looking at all the problems people are having with this truck and finding a tune that addresses the problems so that in theory, this truck will hopefully last me a few years and not have the issues that others are having. It's only been 3 months, but so far, I am glad I got it.

Hope that helps.
 

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Absolutely, shut off the exhaust recirc from the egr, it will kill your engine! Soot will turn into a briquette in your manifold, i did gde tune, and egr block off, completely removed egr cooler as it was leaking coolant into my manifold, much better now!
 

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WRONG ... not only all the options remain , add to that , even if you sell your tuned ECM to someone else , (when
you sell your truck ) , the tune is transferable , and whoever buys your ECM from you , keeps all the options you had
at no extra cost .
4 people chimed in and said “Wrong”
If they are correct, then I got ripped off by green diesel engendering!

I did have to pay for addons on the reflash 100%
I even called first and was told I had to check them off again or it will come with regular flash and no addons.
See screenys showing original purchase and then reflash purchase.
-minus $650 for core charge on each bill



You are correct with earlier version of the flash disabled def, I liked it so much I made sure it was added on the reflash..
I also have a 2016 ram eco and got the flash for that truck too, and paid 50 extra to have def turned off. I’m very careful that is does not get reflashed
I wouldn’t have another without GDE flash.

I’m calling GDE Monday morning and asking about charges for addons on upgrades/reflashes and let you know here what they say, maybe I can get my $150 back and it was some sorta miscommunication or oversight by them.
Or at least 4 people here in this thread are wrong (which I’m hoping is not the case)

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I’m calling GDE Monday morning and asking about charges for addons on upgrades/reflashes and let you know here what they say, maybe I can get my $150 back and it was some sorta miscommunication or oversight by them.
Or at least 4 people here in this thread are wrong (which I’m hoping is not the case)

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Let us know. I recently had a reflash for 50 bucks and I did keep regen notice and brake.
 
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