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troubledwaters

Potomac

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Posted: 01/08/18 09:31am Link  |  Quote  |  Print  |  Notify Moderator

Are you sure it is rear end noise and not tire noise?

mkirsch

Rochester, NY

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Posted: 01/08/18 09:36am Link  |  Quote  |  Print  |  Notify Moderator

What kind of noise?

Engine noise? Gear noise? Tire noise? Engine noise is the only reason to go with 3.73 over 4.10, but only while running empty. As soon as you start towing, the transmission will downshift and the noise will be right back. Gear noise is caused by defective parts, and should be replaced under warranty. Tire noise can be remedied with different tires.

Keep in mind that with the 6+ speed transmissions, rear end ratios don't mean the same thing as they used to. As a general rule of thumb, the gear ratio is effectively one ratio numerically higher with a 6+ speed transmission.

3.42 is like towing with a 3.73 and a 4-speed
4.10 is like towing with a 4.30 and a 4-speed

So if you really only need a 3.73 effective ratio, the 3.42 will be fine.


Putting 10-ply tires on half ton trucks since aught-four.

N-Trouble

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Posted: 01/08/18 09:53am Link  |  Quote  |  Print  |  Notify Moderator

Rob_Fla wrote:

I am a long time GM fan, owned several Duramax Trucks, made the switch to a 2018 RAM 3500 Laramie Dually a few months ago.
Love the truck, struggled a little with the 3.73 / 4.10 ratio decision, ultimately went with the 4.10 with the Asian Transmission. I did drive a 4.10 axle ratio RAM before ordering our RAM to make sure I was ok with the 4:10 [emoticon] (When going with the 4.10 you step up to a larger rear axle housing with a aluminum finned rear plate for improved cooling)
I have been impressed with the interior sound level and ride quality (did order the "Air Assist Rear Axle" with air bags) compared to my GM trucks, very quiet at highway speeds and in town driving.
On the Laramie Build sheet it shows extra dash and console insulation (not sure if it is marketing or there is actually extra insulation in the Laramie and higher trim levels)
Have towed our 5er with our RAM several times now and very happy with the whole package, quiet inside the cab, comfortable seats and ride (no back ache after a long day of towing) great pulling power, excellent stopping, acceptable fuel mileage (16 to 18 solo, 10 to 12 towing 17,000 lb. 5th Wheel)


What was the last GM truck you owned. The 2015 GM trucks got a lot quieter with the new cab. I have a 2012 and my brother a 2016. Same LML drivetrain/motor but much less cab noise in his truck.


2015 Attitude 28SAG w/slide
2012 GMC 2500HD SLT Duramax
B&W Turnover w/Andersen Ultimate 5er hitch

Me Again

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Posted: 01/08/18 04:59pm Link  |  Quote  |  Print  |  Notify Moderator

We love our 3500 SRW with Aisin and the 3:42 gears. I would have ordered 3:73's if available and now know that would have been a mistake. I tow a 16K 5th wheel with a combined weight of 24500. Works great. Tow in 5th at 60 MPH most of the time. Cruising bobtail at 80 is only 1750 RPM.

Chris


2015 RAM 3500 CC SB SRW Our Rig New 2017 Bighorn 3575el. Retired and enjoying it!


Rob_Fla

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Posted: 01/08/18 05:09pm Link  |  Quote  |  Print  |  Notify Moderator



What was the last GM truck you owned. The 2015 GM trucks got a lot quieter with the new cab. I have a 2012 and my brother a 2016. Same LML drivetrain/motor but much less cab noise in his truck.

I have not owned a GM HD Truck since 2012 but have driven a number of later model GM Trucks, no doubt they were nice and quiet.

So far, I am very happy with my final choice of the 2018 RAM.


2014 Redwood 38FL
2018 RAM 3500 DRW

ib516

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Posted: 01/09/18 05:19am Link  |  Quote  |  Print  |  Notify Moderator

My buddy has a 2014 Ram 3500 SRW with the 3.42s and hauls a 14,000# (loaded) 39 or 40' 5er with no issues. He has towed it from Canada to California and back. The rear suspension is 100% stock and handles the weight without much sag. The truck is level when hitched up.


Prev: 2010 Cougar 322QBS (junk)
01 Dodge 2500 4x4 360 Gas 4.10 Auto
02 Dodge 2500 4x4 5.9L CTD 3.55 Auto
07 Dodge 3500 4x4 SRW Mega 5.9L CTD 3.73 Auto
14 Ram 2500 4x4 Crew 6.4L Hemi 4.10 Auto
All above are sold
Current: 2006 Chev 1500 and a 2010 Jayco 17z


Arcamper

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Posted: 01/09/18 06:45am Link  |  Quote  |  Print  |  Notify Moderator

Rob_Fla wrote:

I am a long time GM fan, owned several Duramax Trucks, made the switch to a 2018 RAM 3500 Laramie Dually a few months ago.
Love the truck, struggled a little with the 3.73 / 4.10 ratio decision, ultimately went with the 4.10 with the Asian Transmission. I did drive a 4.10 axle ratio RAM before ordering our RAM to make sure I was ok with the 4:10 [emoticon] (When going with the 4.10 you step up to a larger rear axle housing with a aluminum finned rear plate for improved cooling)
I have been impressed with the interior sound level and ride quality (did order the "Air Assist Rear Axle" with air bags) compared to my GM trucks, very quiet at highway speeds and in town driving.
On the Laramie Build sheet it shows extra dash and console insulation (not sure if it is marketing or there is actually extra insulation in the Laramie and higher trim levels)
Have towed our 5er with our RAM several times now and very happy with the whole package, quiet inside the cab, comfortable seats and ride (no back ache after a long day of towing) great pulling power, excellent stopping, acceptable fuel mileage (16 to 18 solo, 10 to 12 towing 17,000 lb. 5th Wheel)


The Aisin trans gets you the aluminum finned cover. My 3:73 has the factory finned cover.


2016 Montana 3100RL Legacy(LT's, Joy Rider 2's and disc brakes)
2014 Ram 3500 DRW Laramie Cummins/Aisin 14,000 GVWR Hauler
2014 Ford Expedition Limited with HD tow pkg
2016 Honda Civic EX-T
1999 Stingray 240LS
1994 Chevy 1500 5.7 ext cab PU
B&W RVK3600 Hitch


ACZL

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Posted: 01/09/18 07:02am Link  |  Quote  |  Print  |  Notify Moderator

Question for the Ram Camp . If OP wants 3.73's, can he, w/o getting a new truck just pay to switch the gearing in the axle instead? Seems like he could and be a whole lot cheaper to do.

Will say tho, am impressed to see what the Rams are getting for mpg's (empty and towing). My old '03 6.0 PS got better mpg's than does my '15 6.7 PS. BUUUUUUUUUT the 6.7 will flat out, out pull the 6.0 day in/out. I will sacrifice some mpg's for the pulling power and smile. Think in the long run, Ford's are a bit thirstier than both GM & Ram. Overall, ALL are pulling beasts!!!


2015 F350 XLT FX4, CC, SB, 4x4, 6.7
2018 Big Country 3560 SS
"The best part of RVing and Snowmobiling is spending time with family and friends"
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Cummins12V98

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Posted: 01/09/18 07:08am Link  |  Quote  |  Print  |  Notify Moderator

"The truck is level when hitched up. "

As it should be. NOT like those that feel the need to pump the air bags to unloaded ride height.


2015 RAM LongHorn 3500 Dually CrewCab 4X4 CUMMINS/AISIN RearAir 385HP/865TQ 4:10's
37,800# GCVWR "Towing Beast"

"HeavyWeight" B&W RVK3600

2016 MobileSuites 39TKSB3 highly "Elited" In the stable

2007.5 Mobile Suites 36 SB3 29,000# Combined SOLD

jccjr500

Dripping Springs, TX

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Posted: 01/10/18 05:10pm Link  |  Quote  |  Print  |  Notify Moderator

Had 2014 Ram 3500 and had so many problems and with all the recalls, decided to sell it. Covert Chrysler and Ram were ablsolutely of no help and that is why I got rid of Ram.
Will never do business with Covert or Ram again.
Personally I did like the Ram, but with all the issues, my wife and I did not feel safe pulling our DRV.

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