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[Ericshere03]

Faster, slightly firmer shifts to minimize slip and heat unless it's cold, then it holds longer to warm up the engine and trans faster to minimize pre dpf egr.

Does it get rid of the goofy shifting when casually accelerating through gears 1-3 … i swear the shifting algorithm has too many inputs for not own good … JUST GO!

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[22EcoDs]

Does it get rid of the goofy shifting when casually accelerating through gears 1-3 … i swear the shifting algorithm has too many inputs for not own good … JUST GO!

Yes it completely solved that for me when warm outside air temp and warm trans. If it's cold out, and cold trans that shift strategy took getting used to for me because it slips albeit purposely to warm up everything faster. I have no complaints about the trans tune now that I understand the cold strategy.

 

[22EcoDs]

Does it get rid of the goofy shifting when casually accelerating through gears 1-3 … i swear the shifting algorithm has too many inputs for not own good … JUST GO!

And to note, with the tune it GO'S! The factory tune does the zf8spd no justice. It fires off gears quick and firm when you get on it.

 

[Bananaman]

And to note, with the tune it GO'S! The factory tune does the zf8spd no justice. It fires off gears quick and firm when you get on it.

Man, I can't wait for my ECU to come back! I am pretty happy with the stock performance, so the tune sounds awesome.

 

[Ericshere03]

And to note, with the tune it GO'S! The factory tune does the zf8spd no justice. It fires off gears quick and firm when you get on it.

The tune on our trucks are so bad, this is all really good to hear.

I’m at 13k miles. I wanted to get the tune done by 15k miles. I’ll add the transmission tune.

 

[Dickster]

I read some of the Ram forums also as I was trying to decide which route to take. Apparently because of feedback and oil analysis proof, GDE changed some of the parameters slightly to address the fuel dilution issue.

The Rams fuel dilution is from frequent regen. There is some due to the emissions but if you change your oil everything 5k miles it will be acceptable levels. Most of the fuel dilution is from the injector injecting on the exhaust stroke and then you get a little blow back.

 

[22EcoDs]

The Rams fuel dilution is from frequent regen. There is some due to the emissions but if you change your oil everything 5k miles it will be acceptable levels. Most of the fuel dilution is from the injector injecting on the exhaust stroke and then you get a little blow back.

Fwiw I Regen every 1006 miles with gde

 

[Dickster]

Fwiw I Regen every 1006 miles with gde

What's your fuel dilution? I would be happy with that. My Ram i was below 100miles between regens and 10%< dilution in 1000miles.

 

[mrmo]

change oil every 5k??!! Dang, i never did 10k, was doing 8k, and due to the percieved contamination (dark color) went to 6k...

 

[Dickster]

change oil every 5k??!! Dang, i never did 10k, was doing 8k, and due to the percieved contamination (dark color) went to 6k...

All my vehicles get changed at 5k.

 

[22EcoDs]

What's your fuel dilution? I would be happy with that. My Ram i was below 100miles between regens and 10%< dilution in 1000miles.

I run Blackstone reports which I'm told don't measure properly lol so take that as you will. Here's mine.

 

[Dickster]

I run Blackstone reports which I'm told don't measure properly lol so take that as you will. Here's mine.

It says <0.5 your good. I run fleet guard as they are owned by cummins which my Ram is. Black stone is not that great from what I have heard.

 

[GladiatorPilot23]

Blackstone doesn’t do a fuel delusion. It’s off by 20% typically.

The GDE fuel delusion unless you’re idling extensively or have some other issue, was due to post combustion 3D pilot fuel injection to heat the SCR. Keith GDE had improved on it and is going to further improve on it from what I hear.


One highly cautionary points with transmission and engine tuning.

Any tune that removes the of torque management will reduce the life of your transmission. If the tune is not momentarily pulling power between shifts, it’s going to hurt the transmission overtime and wear it out faster. If the tune is holding high loads at low RPMs, it’s going to impact the lower end, greatly, including the harmonics of the crank which will lead to premature wear. Any tune that modifies the torque converter slippage in order to not slip under higher loads, well again hurt the lower end of the engine. This is one of the features that I like about the Derringer is that it does torque management and pulls engine power momentarily during shift. I wish something like a GDE did this and leave the engineered fail safes to protect the bottom end.

 

[22EcoDs]

Blackstone doesn’t do a fuel delusion. It’s off by 20% typically.

The GDE fuel delusion unless you’re idling extensively or have some other issue, was due to post combustion 3D pilot fuel injection to heat the SCR. Keith GDE had improved on it and is going to further improve on it from what I hear.


One highly cautionary points with transmission and engine tuning.

Any tune that removes the of torque management will reduce the life of your transmission. If the tune is not momentarily pulling power between shifts, it’s going to hurt the transmission overtime and wear it out faster. If the tune is holding high loads at low RPMs, it’s going to impact the lower end, greatly, including the harmonics of the crank which will lead to premature wear. Any tune that modifies the torque converter slippage in order to not slip under higher loads, well again hurt the lower end of the engine. This is one of the features that I like about the Derringer is that it does torque management and pulls engine power momentarily during shift. I wish something like a GDE did this and leave the engineered fail safes to protect the bottom end.

Failsafes are still in place per gde. It doesn't bog in low rpms I'm not sure what the bottom end concern you have is. I've yet to hear of a blown gen 3 from gde tuning but biodiesel collects that info pretty well . 8hp70 is rated for 516 ftibs. Scatpacs slam through gears on the zf8 from the factory and do 3k launches with no issues. Most don't run into issues until they go over 700hp based on forums. The trans will be fine with the power the Ecod puts out.

 

[GladiatorPilot23]

Failsafes are still in place per gde. It doesn't bog in low rpms I'm not sure what the bottom end concern you have is. I've yet to hear of a blown gen 3 from gde tuning but biodiesel collects that info pretty well . 8hp70 is rated for 516 ftibs. Scatpacs slam through gears on the zf8 from the factory and do 3k launches with no issues. Most don't run into issues until they go over 700hp based on forums. The trans will be fine with the power the Ecod puts out.

I’m not specifically saying GDE but any tune that does that those things. 516 ftlbs Max sustained torque. The factory management controls the torque in between the shifts and pulls back power to protect the gears and clutches. I’m not saying GDE but anybody when they do the trans tune and they remove those protections to get performance it will cost of reliability. Auto clutch gearbox on exotics do the same thing. They pull back power momentarily. You don’t even notice it, but it protects the transmission. Horsepower tuning can be reliable if done right up to a certain safe limit. Now you had all this extra torque and remove the protections, it will compound the effect even more.

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