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  #1  
Old 06-04-2013, 08:41 PM
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Default 2013 4x4 with 4.56 gears

the install is finished the front diff was finished today we did the rear about 2 weeks ago . i am now a 2013 4x4 with 4.56 gears
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Old 06-04-2013, 09:59 PM
09HemiCrew 09HemiCrew is offline
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Cool! What size tires are you running?
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Old 06-04-2013, 10:28 PM
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i still have the stock 20" rims..i might put on my stock 20's from my '07 with the Mt toyo but they are a 10 ply and very heavy. i am def going to go with an aftermarket lighter rim just haven't really looked at whats out there yet.
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Old 06-04-2013, 11:32 PM
09HemiCrew 09HemiCrew is offline
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So, stock tire size too? If so, I am very interested in knowing how it drives! What ratio did you have before? I have 3.55 and am thinking about swapping. I was thinking about going to a 4.10 or 4.56. I am also 4x4. How is it in town? Highway? Most of all, was it worth it?
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Old 06-05-2013, 06:02 AM
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i had the 3.55 and no LSD . i had the LSD installed and the 4.56 gears cruising around 60-65 rpm were still low even around 75 mph my rpm's were not that high made me think we could have done 4.88's .but my gas mileage went up . i also had the 4.56 gears installed on my 07 qc laramie 4x4 that truck was a beast. in that truck i was getting 19 miles to the gallon with the mds shutoff .
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Old 06-05-2013, 08:09 AM
09HemiCrew 09HemiCrew is offline
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Thanks for the info! Very helpful. I've been thinking hard about just going with 4.56 as by calculation the rpm's still wouldn't be crazy high. I guess if its revving too high, you can always put bigger tires on. What LSD did you go with? I was leaning toward a Detroit Tru Trac, as I also just have an open 3.55. Do you have anything else done to your truck? What gears did you use? Noisy at all? I'm just trying to compare, sorry for all the questions...Thanks.
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Old 06-05-2013, 08:11 AM
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Quote:
Originally Posted by hungovr25 View Post
i had the 3.55 and no LSD . i had the LSD installed and the 4.56 gears cruising around 60-65 rpm were still low even around 75 mph my rpm's were not that high made me think we could have done 4.88's .but my gas mileage went up . i also had the 4.56 gears installed on my 07 qc laramie 4x4 that truck was a beast. in that truck i was getting 19 miles to the gallon with the mds shutoff .
how much did it run you to get 4.56s in your 07? I'm strongly considering the swap. These 35" mud tires are dogs
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Old 06-05-2013, 10:45 AM
Bighouseonstilts Bighouseonstilts is offline
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Quote:
Originally Posted by hungovr25 View Post
the install is finished the front diff was finished today we did the rear about 2 weeks ago . i am now a 2013 4x4 with 4.56 gears
If you don't mind me asking how much did the swap cost you? Did you use a 2011 front diff? I am having a hard time finding someone to do the work.
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Old 06-06-2013, 08:58 AM
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Quote:
Originally Posted by gonefishin776 View Post
how much did it run you to get 4.56s in your 07? I'm strongly considering the swap. These 35" mud tires are dogs
I don't remember what it cost but i ordered everything from Moes-performance . the only thing you have to watch out is the rear pumpkin the 4.56 gears hit inside the pumpkin you just have to shave the inside of the pumpkin a little
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Old 06-06-2013, 09:04 AM
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Quote:
Originally Posted by Bighouseonstilts View Post
If you don't mind me asking how much did the swap cost you? Did you use a 2011 front diff? I am having a hard time finding someone to do the work.
i think it was about 2800 .. you need a front diff from 2010 or lower. but i also had to get the LSD since i didnt have an lsd in my rear. i will try to get what was needed and done.
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