Tuning revisited

Naughty Donkey Performance · October 23, 2023

Have you guys checked these out yet?

https://www.holley.com/products/tuners_and_programmers/handheld_tuners/2019-2022_gm_truck_tuning/

I am thinking about the inTune 3 GM E90/T93 Unlock Kit The engine and trans tunes sound like it could be fun, any thoughts and or input?

TIA Gents

GETGONE · October 23, 2023

Still a LOT of money for minimal HP gains:

Max gains on 6.2L - 17 rwhp/24 rwtq
Max gains on 5.3L - 10 rwhp/33 rwtq

Nice to be able to adjust the other things they list though, but GM won't honor any warranty at all if you do this. I'm pretty sure even if you went back to stock, there would be some unlock trace or change counter in the ECM/TCM.

EDIT: Just saw this when looking further at details: 22.5+ refresh not supported at this time

Edited October 23, 2023 by GETGONE

Butch Peyton · October 26, 2023

I beta tested this for Diablo a couple months before release to the public in my 2020 6.2 and wasn't impressed at all. There was a small noticeable power bump at highway speeds but not so much down low. Needless to say, I have since put mine in the shop deleting DFM, Johnson roller lifters, GPI Stage 1 high lift cam, BTR springs, hardened push rods, heads ported, intake ported and tuning.

KARNUT · October 26, 2023

I used canned tunes since they were made available. I bought mostly 5.3s through that time. The high octane tune with the ability to take some TQ management out along with raising the RPMs. Made the drivability more fun and lively. My last new GMC was the 14 year model with the E-85 option was the best as far as I’m concerned. Except for cylinder deactivation. There’s only been more hand tying for tuning with no additional horsepower for the trade off. I’m glad I don’t need to buy a new one every two years retiring in 2015. I wouldn’t be happy with all the restrictions. Those were the golden times. I’m glad I got to experience them. My biggest joy is driving my 02 avalanche while keeping my eye out for the next old gem.

Steve-2019 · October 26, 2023

1 hour ago, KARNUT said:

I used canned tunes since they were made available. I bought mostly 5.3s through that time. The high octane tune with the ability to take some TQ management out along with raising the RPMs. Made the drivability more fun and lively. My last new GMC was the 14 year model with the E-85 option was the best as far as I’m concerned. Except for cylinder deactivation. There’s only been more hand tying for tuning with no additional horsepower for the trade off. I’m glad I don’t need to buy a new one every two years retiring in 2015. I wouldn’t be happy with all the restrictions. Those were the golden times. I’m glad I got to experience them. My biggest joy is driving my 02 avalanche while keeping my eye out for the next old gem.

So the new Ford Maverick truck is out the window now?

KARNUT · October 26, 2023

4 minutes ago, Steve-2019 said:

So the new Ford Maverick truck is out the window now?

I have 4 vehicles for my different moods. Two are actually my wife’s. She eventually became a car enthusiast, thanks to me. Getting the odyssey as a trip vehicle after having the CRV for that purpose. Probably eliminated the smaller vehicle from consideration. Eventually I’ll drive one. When it comes to vehicles they’re moving targets.

typhoon186 · November 1, 2023

On 10/26/2023 at 10:30 AM, Butch Peyton said:

I beta tested this for Diablo a couple months before release to the public in my 2020 6.2 and wasn't impressed at all. There was a small noticeable power bump at highway speeds but not so much down low. Needless to say, I have since put mine in the shop deleting DFM, Johnson roller lifters, GPI Stage 1 high lift cam, BTR springs, hardened push rods, heads ported, intake ported and tuning.

I had a Diablo Sport of my 2014 Denali 6.2 and was impress with it. As I recall there were two ways to purchase it. 1. was the normal and street legal version that is CARB compliant which mean it can only alter the tune at WOT. 2. was the version with a canned tune and also allows the owner to modify the tune. I was able to get just as goof of performance as I did with a full custom tune using HP Tuners. I would have no issue is using one on my 2023 if they ever release one in version 2.

Butch Peyton · November 5, 2023

On 10/31/2023 at 7:17 PM, typhoon186 said:

I had a Diablo Sport of my 2014 Denali 6.2 and was impress with it. As I recall there were two ways to purchase it. 1. was the normal and street legal version that is CARB compliant which mean it can only alter the tune at WOT. 2. was the version with a canned tune and also allows the owner to modify the tune. I was able to get just as goof of performance as I did with a full custom tune using HP Tuners. I would have no issue is using one on my 2023 if they ever release one in version 2.

There is only 1 version for the 19+ platform. On a 6.2 l87 as mine is, it only gained 17 hp on the 93 tune that was only noticeable in the higher rpm range. All I'm saying if I had to buy it, I'd pass.

Edited November 5, 2023 by Butch Peyton

typhoon186 · November 5, 2023

Good to know. Thanks for the update As I understand as of now, Diablo has nothing that will alter tune on the refreshed 20.5 and above.

Has anyone on here tuned a global B truck though HP tuners yet?

Edited November 5, 2023 by typhoon186

GETGONE · November 5, 2023

HP Tuners prices are INSANE! $1000 to $1500 for the ECM mods depending on model WITHOUT any credits for tuning and another $200-400 for the TCM unlock which is also required. Their website shows it requires 8 credits at $50 each for $400 for the credits to TUNE it once you have spent AT LEAST $1200 to unlock the ECM and TCM. THEN you need to pay someone that knows what they are doing to tune it. Who knows how much that costs.

typhoon186 · November 7, 2023

I talked with Trifecta about tunes for the refreshed trucks. See below:

Re: refresh 2023 sierra trucks

Hello,

Thanks for the inquiry and interest in TRIFECTA Performance products for your vehicle. We have had support for these for a while now. However, the ECM needs to be sent out to us for modification in order to be calibrated. This adds to the cost and complexity of tuning this platform thus the services have been made available to our partners that sell forced induction kits, where the expense of tuning makes more sense.

What are you looking to get out of a tune?

Thanks,

Michael

Thanks for the reply. Unless you have modifications to the truck, it is tuned for top performance and economy out of the box by GM. Theres nothing left on the table to gain from tuning the engine as is.

To expand on that, unless you supercharge it, bolt on mods won't yield a whole lot in the way of gains. You're taking single digit gains to the wheels for expensive mods like headers, etc. An intake for example, doesn't yield much in gains. The reason why it might need tuning is to correct for the skew the maf will see due the change in airflow the aftermarket tube will cause.

However, we do have some drivability improvements to give your truck a more sporty feel. We can disable auto start/stop and cylinder deactivation if you prefer, but expect diminished fuel economy if you elect to do so, as, thats already something GM aimed for with these trucks. You won't get better fuel economy that what the stock tune delivers on stock tires etc. The price for this service because of the ECM modification factor is $1799. GM put an end to being able to modify the controllers on their vehicles via "just tuning". There's no way around having to modify the ECM.

Yes, we will load the calibration on it for you since we'll already have it. But, you'll be able to flash it yourself using our software and cable if we issue any updates after datalogging the intake etc.

TRIFECTA Performance Support

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https://www.facebook.com/TRIFECTAPerformanceInc/
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typhoon186 · November 11, 2023

I wasn't going to argue with Michael. I mean he should know more about their tuning than me and I know nothing about the new Goble Be platform. But I've been replacing chips, tuning ecm's or having ecm's professionally tunes for a few decades and I don't recall ever experiencing the factory to be optimized for performance and fuel economy. I know the manufacture has a lot of restrictions and try to for a wide range of requirements. I also know often more than one engineer works on the tune for a specific vehicle and there's more than one way to set up the tune. And sometimes the different engineers do things differently and overlap their work. In a nutshell the final tune is NOT optimized.

From my experiences with professional ecm tuning, they most always result in better performance AND better fuel economy. Which makes sense if the engine tune is optimized the engine is more efficient and will use less fuel at normal driving but be able to provide more power when needed.

And so I will wait.

SILVER SLED · November 13, 2023

I am thinking about getting this because of the engine tune, but also for the transmission tune. Does anyone have any input on the good or bad of the transmission tune? Can torque management be reduced…? It’s my opinion, but I feel that performance gains in acceleration can be had in transmission tuning. Also, I believe that once this is installed and modules are unlocked, custom tunes can be installed from an outside tuner. Diablew used to custom tune once he received data logs….

DoorManGMC · May 30, 2024

I have this tuner and it works great on my 2020 6.2. The performance gains are very noticeable with the 91 octane tune. There are Youtube videos with actual tested performance increases. I also have the performance package, so maybe that makes a difference. I test drove a new 2024 AT4 with the "active" exhaust and the power / acceleration was noticeably less on the new truck and I am running 35" tires.