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  #1  
Old 10-12-2011, 04:28 PM
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8 Speed for the 2013 model

Have heard rumours to this effect, but this is starting to becoming tangible for the exported models.

http://www.themotorreport.com.au/526...r-8-speed-auto

http://en.wikipedia.org/wiki/ZF_8HP_transmission

I bet the price wont stay the same however..
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Old 10-13-2011, 06:45 AM
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Re: 8 Speed for the 2013 model

I was hoping for the 8 speed to be released now with the CRD's. I think it was enforcer that sold me on the 5spd merc transmission that will come with my vehicle. I did see the new ML's are coming out wit a 7spd so I guess the 5spd is old technology now. Still happy with it over the ZF.
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Old 10-13-2011, 04:03 PM
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Re: 8 Speed for the 2013 model

I currently drive a 3 speed so new technology for me..
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Old 10-13-2011, 04:42 PM
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Re: 8 Speed for the 2013 model

Probably with the next refresh.
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Old 10-14-2011, 12:01 AM
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Re: 8 Speed for the 2013 model

What I have found with any gearbox that has over 5 gears is they tend to hunt a lot.
While it can bring better fuel economy, running a motor out of it's ideal powerband will result in worse fuel economy.
The 5 speed Merc box that comes in the CRD and V6 is a great box. Very strong and seems to have the right ratios when required. Having my CRD tick over at just under 2,000rpm @ 100km/h is about ideal for both power and economy. Additional ratios will only give marginal improvements in economy, however I would rather have an old proven gearbox that has sat behind many more powerful motors, than some untested 7+ speed box that is yet to be proven.
While it would be nice to keep up with Merc's 7sp, I really do not think it is a major factor.
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Old 10-14-2011, 12:07 AM
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Re: 8 Speed for the 2013 model

Im pretty sure the 8 speed ZF is a proven, reliable tranny
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Old 10-14-2011, 12:34 AM
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Re: 8 Speed for the 2013 model

I do not think it has been proven in a 5000lb 4x4. It is also new, unlike the 5sp that has been around for years.
By no means am I saying the ZF is a bad box, I have a ZF 6sp in my car and it is the best auto gearbox I have ever owned. I am however more cautious when it comes to new boxes and the problems they can have, as they are all comuter controlled and sometimes too smart for their own good.
I am just hoping the 8sp is out when I am ready to buy a SRT8, as I would like that
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Old 10-14-2011, 12:47 AM
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Re: 8 Speed for the 2013 model

there wont be an 8 speed in the SRT8 Jeep......
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Old 10-15-2011, 03:55 AM
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Re: 8 Speed for the 2013 model

Jeep have not released the 2013 details yet AFAIK, so there is still hope.
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