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mich800

Pontiac, MI

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Joined: 05/30/2004

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Posted: 06/13/19 04:27pm Link  |  Quote  |  Print  |  Notify Moderator

The thing that always seems to get lost in these high gear transmission discussions is that it is not just the first and max gear that makes a difference. If your only looking at can it pull maximum overdrive at x MPH towing or otherwise you are missing the big picture. These transmissions can skip gears making them much more versatile at fuel economy and use of available power at various throttle openings other than full go.

Don't get lost in the weeds only looking at that top gear number.

hvac

Michigan

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Joined: 01/15/2012

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Posted: 06/13/19 06:33pm Link  |  Quote  |  Print  |  Notify Moderator

Its been real quiet from the blue oval and a 10 spd in the 250 and 350. Me thinks it's going to shake up this world of gas vs diesel.

I'm waiting as the 6.4 8 spd and a 4.10 from FCA is tempting. But they have let me down on the AEM for the eco diesel. I think FCA is in turmoil, lots of issues at the executive level.

Perrysburg Dodgeboy

Perrysburg, Ohio USA

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Posted: 06/13/19 09:11pm Link  |  Quote  |  Print  |  Notify Moderator

hvac wrote:

Its been real quiet from the blue oval and a 10 spd in the 250 and 350. Me thinks it's going to shake up this world of gas vs diesel.

I'm waiting as the 6.4 8 spd and a 4.10 from FCA is tempting. But they have let me down on the AEM for the eco diesel. I think FCA is in turmoil, lots of issues at the executive level.


What is the issue with the AEM? Had my truck tuned four days later drove up to GDE and had their tune reinstalled, should get my check in 6 to 8 weeks after the dealer gets everything sent in. I love me some free money.

Don


2015 Ram 1500 Laramie Crew Cab SWB 4X4 Ecodiesel GDE Tune.


Perrysburg Dodgeboy

Perrysburg, Ohio USA

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Posted: 06/13/19 09:56pm Link  |  Quote  |  Print  |  Notify Moderator

All one needs to do is Google here let me help a brother out and you will see for yourself. Like ZF said after 8 there just is not enough return in efficiency to make it worth the effort. Ford is using a in house 8 speed for their front wheel drive cars
Ford Authority wrote:

But Ford has yet to use the nine-speed automatic transmission, despite having just revealed freshened-up versions of the Edge and Transit Connect. The reason? According to a recent article published by Automotive News, Ford didn’t see enough extra efficiency from the new transmission’s ninth gear to justify the extra cost and weight. Ford has instead come up with a pair of eight-speed automatics to serve in the GM transmission’s place.


There is a class action against GM over their 8 speed? I thought they were going to use the Ford ten speed? So let me get this straight, Ford and GM decided to team up to defer the RD costs of coming up with their own transmissions. With Ford taking on the 10 speed and GM doing the 9 speed. Now after the dust clears GM is running it's own 8 speed in their RWD vehicles (trucks and big SUV's just like FCA) over the ten speed of Ford? Ford decides they are going to build their own 8 speed for use in the FWD cars because like ZF they understand their is no justification for a 9 speed. Note should read 10 speed not 9.

WTH so tell me again why Ford and G.M. supposably teamed up? You just can't make this sh*t up. Bottom line it looks like even numbered gears is the way to go. I did test drive a new Jeep Cherokee with the 9 speed and didn't have any issues with the transmission in it. But it was a 2019 so maybe FCA has figured the trans tune out in the 9 speed now.

Don

* This post was edited 06/14/19 11:42pm by Perrysburg Dodgeboy *

ib516

Canada

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Joined: 04/18/2003

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Posted: 06/15/19 06:13am Link  |  Quote  |  Print  |  Notify Moderator

FishOnOne wrote:

ib516 wrote:

Not that it's the same transmission, but I used to have a 2014 Jeep Cherokee with the ZF 9 speed. It never saw 9th gear - ever. 8 was rare, 7th was the norm at highway speed.


That's because the drivetrain wasn't properly geared right to the engines power.

Yes I agree. I always considered they used the 9 speed for some European version with a diesel they were going to come out with that could use the higher gears.

The Ex still has that Jeep, and last time I saw it, it had just over 100k miles and no issues. Not bad for a gen 1, all new FCA product [emoticon]


Prev: 2010 Cougar 322QBS (junk)
02 Dodge 2500 4x4 5.9L CTD 3.55
07 Dodge 3500 4x4 SRW Mega 5.9L CTD 3.73
14 Ram 2500 4x4 Crew 6.4L Hemi 4.10
06 Chevy 1500 4x4 E-Cab 3.73 5.3L
All above are sold
Current: 07 Dodge 1500 5.7L Hemi 3.55 / 2010 Jayco 17z


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