One thing I REALLY dislike a out my RAM...

[FriedDumpling]

Although there is a lot to love about my RAM, I really don’t enjoy the vehicle when sitting in stop-and-go traffic.

Traffic aside, I find the quick shifts between first to third, and downshifting from third to first to be abrupt and unpleasant.

I had the dealer update the shifting with a flash, but after a week - not sure there is a real difference.

Anyone else agree/disagree?


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[Pull Ya]

Do you have the 8 speed with 3.92 gears?
Jay

 

[HitchHiker]

Although there is a lot to love about my RAM, I really don’t enjoy the vehicle when sitting in stop-and-go traffic.

Traffic aside, I find the quick shifts between first to third, and downshifting from third to first to be abrupt and unpleasant.

I had the dealer update the shifting with a flash, but after a week - not sure there is a real difference.

Anyone else agree/disagree?


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What year, engine and gears are you running? My 2018 hemi has the 3.92 gears with 8-spd and while the shifting is frequent at low MPH I don’t really notice it around town as the tranny is pretty smooth when shifting.


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[FriedDumpling]

What year, engine and gears are you running? My 2018 hemi has the 3.92 gears with 8-spd and while the shifting is frequent at low MPH I don’t really notice it around town as the tranny is pretty smooth when shifting.


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8 Speed 8HP70 Trans, 3.21 Rear Axle Ratio - that answer the question?


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[69GWC]

Mine does not do this at all, mine shift smooth from 1st to 2nd 3rd and so on.
It also down shift smooth as well.

2016, 5.7 8sp 3:21s

 

[FriedDumpling]

What year, engine and gears are you running? My 2018 hemi has the 3.92 gears with 8-spd and while the shifting is frequent at low MPH I don’t really notice it around town as the tranny is pretty smooth when shifting.


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2015 Big Horn 8spd 3.21


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[Pull Ya]

I think there is a tendency for the 8 speeds with the 3.92's to seem like they "short shift" but I have not heard any complaints from anyone with the 3.21 having that same problem. Around town I usually "lock" the trans in 7th gear to avoid the extra shifting around town and to keep the engine from lugging down--usually anything below about 50 mph. That may help your problem--I'm not sure.
Jay

 

[FriedDumpling]

I think there is a tendency for the 8 speeds with the 3.92's to seem like they "short shift" but I have not heard any complaints from anyone with the 3.21 having that same problem. Around town I usually "lock" the trans in 7th gear to avoid the extra shifting around town and to keep the engine from lugging down--usually anything below about 50 mph. That may help your problem--I'm not sure.
Jay

I tend to be very OCD about the vehicle. It isn’t unpleasant necessarily, just something in the feel when I am 0-25 mpg moving 50-75 yards at a time. Now that I am hyper focused on it - it makes me a little nuts.


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[Pull Ya]

Sorry--no solution
Jay

 

[FXCLM5]

I can do this on command, coming to a stop sign - do a cali stop where your rolling and never come to a full stop and then go.....

you get this nice BANG in your tranny/torque converter/driveshaft and then it goes

Same when going in stop/go traffic, sometimes the torque converter locks and accelerates the vehicle when I dont want it too, its freaky and happens about 1/10 in stop go traffic, and in stop go traffic I can make the bang come on in the tranny/driveshaft/torque coverter as well.

8spd wiht 3.55

 

[HitchHiker]

I tend to be very OCD about the vehicle. It isn’t unpleasant necessarily, just something in the feel when I am 0-25 mpg moving 50-75 yards at a time. Now that I am hyper focused on it - it makes me a little nuts.


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Be thankful you have 3.21 and not 3.92 because it would be even worse for you then. [emoji1]


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[crazykid1994]

Try putting the vehicle into 8th gear mode to disable mds. It smoothed out my shifting with 3.92 gears because i don’t feel the 4 cylinder to 8 cylinder changes and it shifts funky in 4 cylinder mode in my truck in lower gears almost like it can’t synchronize properly.

 

[FriedDumpling]

Try putting the vehicle into 8th gear mode to disable mds. It smoothed out my shifting with 3.92 gears because i don’t feel the 4 cylinder to 8 cylinder changes and it shifts funky in 4 cylinder mode in my truck in lower gears almost like it can’t synchronize properly.

How do I put it in 8th gear mode?


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[JB1]

I think there is a tendency for the 8 speeds with the 3.92's to seem like they "short shift" but I have not heard any complaints from anyone with the 3.21 having that same problem. Around town I usually "lock" the trans in 7th gear to avoid the extra shifting around town and to keep the engine from lugging down--usually anything below about 50 mph. That may help your problem--I'm not sure.
Jay

Good idea

 

[RamInfo]

I must have my foot in it more than I think, as mine w/3.92s shifts smoothly in traffic. Only time I notice the downshift to 1st is when rapidly decelerating from highway speed to a stop. Luv the 8spd...
Best,
DG

 

[Pull Ya]

Use the button on the steering wheel to manually put in "8".
Jay

 

[FriedDumpling]

Use the button on the steering wheel to manually put in "8".
Jay

Yep, found a video that described. The symptom you describe are “spot on”.

Looks like you can’t disable MDS permanently, and big decrease in MPG. True?

Thanks.


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[FriedDumpling]

I must have my foot in it more than I think, as mine w/3.92s shifts smoothly in traffic. Only time I notice the downshift to 1st is when rapidly decelerating from highway speed to a stop. Luv the 8spd...
Best,
DG

Yep, noticed the same.


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[HitchHiker]

Yep, found a video that described. The symptom you describe are “spot on”.

Looks like you can’t disable MDS permanently, and big decrease in MPG. True?

Thanks.


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You can disable it if you buy one of the CPU piggyback units that allows disabling MDS or have your system flashed with a custom tune. Pulsar Edge comes to mind.

I routinely disable MDS and around town see no discernible difference in MPG. Even all highway MPG on recent 600 mile trip I only saw .5-1 MPG less with MDS disabled for the entire trip.


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[FriedDumpling]

You can disable it if you buy one of the CPU piggyback units that allows disabling MDS or have your system flashed with a custom tune. Pulsar Edge comes to mind.

I routinely disable MDS and around town see no discernible difference in MPG. Even all highway MPG on recent 600 mile trip I only saw .5-1 MPG less with MDS disabled for the entire trip.


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Is it weird that getting a tuner or custom tune scares the hell out of me? Maybe post-warranty...


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