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I recently upgraded from a 28' tag to a 42' gooseneck, and with the heavier load the truck seems to "hump" alot in reverse until the clutch is 100% engaged and moving steadily.

The truck is an 07 5.9 G56 6 speed and it has alcoa 22.5" tires with a clutchmasters fx350 single mass single disk clutch kit.

The truck jump and you can look under the truck and watch the tail of the transmission jump up and down on the mount.

Is there any type of upgraded mount or is this just something that happens when backing up a ~12k load with a manual transmission?

Thanks in advance.
 

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I've been wondering the same thing. When going over a bump the transfer case shifter moves quite a bit. I have a 48RE, but I'm guessing the mount is similar.
 

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I have yet to find out if the movement is normal as I bought the truck used and it's been like that since day one. The bracket and isolator all seem to look fine. I haven't found any kind of aftermarket mount. Only universal ones that you would require a custom bracket of some kind. I'm not positive but after some more thought I wonder if installing a stiffer mount may cause other problems for the transmission or transfer case.
 

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Yea I just bought mine recently too. And backing my 48' enclosed it is so bad I can hardly back it. It does it taking off in first to especially if i don't just dump the clutch pretty much. There is no way this can be normal.
 

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seems like torque hobble.

i would suggest installing a 2Lo kit if you have 4wd in your trucks.

if not then i'll have to say i can't help you.
 

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I have looked at the 2low kit but it says only up to 02 I think. Not sure it will work on a 05 if you have any info I would really like having that on my truck.
 

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mine does it as well just put it in 4 low and all will be good. unless you are 2wd then you are just screwed
 

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What about on dry pavement I don't see it causing a problem going straight but what about turning in 4low that doesn't seem like it would end well. Or are you having good luck with it?
 

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I've been wondering the same thing. When going over a bump the transfer case shifter moves quite a bit. I have a 48RE, but I'm guessing the mount is similar.
Every truck I have ever owned the transfer case shifter wanders around a lot...my new 2011 is no exception to that, loaded or not.
 

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I have looked at the 2low kit but it says only up to 02 I think. Not sure it will work on a 05 if you have any info I would really like having that on my truck.
on the 03 and up i think it is electrical the shifting, you have to bypass the hit wire going to the front differential i think, might want to talk to Jkidd on the forums here and see what he has.


EDIT: you should post up in the 3rd generation section and see what comes up, im sure someone has done it for a 3rd gen dodge.
 

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4 low backing works good as long as you don't go lock to lock with the steering wheel
 
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