Whats the approximate parts and labor cost .. - Hemi Truck Club
 
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Old 01-22-2014, 02:24 PM   #1
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Whats the approximate parts and labor cost ..

.. to go from 3:55's to 3:92s. I bought a left over 2013 1500 crew 4X4 that has 3:55s. I do tow a travel trailer and on my other Rams .. the Hemi, 6 gear tranny and 3.92's were good all around combo.

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Old 01-22-2014, 04:21 PM   #2
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Are you looking at dealer cost or local shop? Price varies like the stock market..... And 3.55's to 3.92's you probably won't even feel, maybe just notice your RPM's a little higher than it used to be at cruising speed.
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Old 01-22-2014, 04:44 PM   #3
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Id probably have the dealer do it and have them add mopar parts so that the warranty isnt screwed with ...

.. as a matter of fact, I would/do notice a difference between the two standards. Not so much running around town, but as soon as I drop the 6k travel trailer on the hook I can very distinctly feel / notice the difference in performance. The 3.55s will do it ... but especially pulling over, lets say, the border of NC/TN, there will be alot of shifting. Almost none with 3.92s.

Ive owned an 03 qc , 05 qc, 06 Mega, 09 Diesel crew, 12/13 crew. 03 was the only Magnum. 09 was a diesel. All the rest Hemis. Gear ratio varied. All were/are 1500s cept the 09.

Again, the BEST combo was the 05 QC Hemi 3.92, the next would be the 06 Mega with 3.73. The diesel would pull the hell out of anything but the price of diesel was killing me.

At any rate.. back to the original question. What would the dealer charge to do the swap ? I tried to price around .. but ofcourse they all want me to "bring it in"

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Old 01-22-2014, 05:06 PM   #4
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Does your 3.55's have the LSD? That could play a big part in the dif too.
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Old 01-22-2014, 05:53 PM   #5
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For a guess, 'bout two kilobucks.
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Old 01-22-2014, 07:24 PM   #6
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For the most accurate price I would just take it in to see what they say. My dealer would want about 1200-1300 for just a gear swap.
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Old 01-22-2014, 07:29 PM   #7
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Gotta do both ends.
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Old 01-22-2014, 07:52 PM   #8
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Yep .. I know .. both ends .. thats why I want to explore the cost. Might not really be worth it.

..as a side note. LSD wont really help with the situation Im talking about ..which is, for lack of a better term, "lots of downshifting".

LSD makes you see pretty colors in one instance and in the other works like the posi rear of old. I suppose it would help with traction if Im on ice or in the mud. But us guys who tow travel trailers try to stay out of both situations.

If I run over a patch of ice with only one rear tire, and the other rear tire is still on dry pavement without LSD, one wheel will be spinning fast and the other almost not at all. LSD corrects this issue (or helps correct this issue) by making both wheels spin the same at the same speed. So, it may help on an unstable surface... but not really with downshifting while on the interstate at a steady speed rolling over the mountains.
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Old 01-22-2014, 08:07 PM   #9
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Sorry fellas .. didnt answer the question ... no it doesnt have a limited slip differential. It has a Anti-Spin Differential Rear Axle, tsch
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Old 01-23-2014, 12:00 AM   #10
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Quote:
Originally Posted by MikeHTally View Post
Gotta do both ends.

Yeah done overlooked that whole 4x4 thing
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