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02-28-2019, 01:25 PM
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#1
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Montana Fan
Join Date: Sep 2018
Location: New Castle
Posts: 112
M.O.C. #22550
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Suspension assist
I'm looking to add support to suspension for my 2014 GMC 2500 HD Denali Like others I'm at capacity for my truck and 5 th wheel
Anyone have any experience with SumoSprings, a urethane suspension system ? And or comments on air bag systems ?? I shud have a 3500 but don't so trying to find solution We are very careful to not overload as I cross scales frequently
Thanks for any input
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02-28-2019, 02:26 PM
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#2
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Montana Fan
Join Date: Aug 2012
Location: Fowler
Posts: 414
M.O.C. #12748
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I have the Timbren overloads on mine and they work great, check them out at "timbren.com." Once installed, they are trouble free and do the job.If I read your post correctly, these will support your suspension and eliminate the sag.
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02-28-2019, 02:34 PM
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#3
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Montana Master
Join Date: Oct 2017
Location: Bastrop
Posts: 2,892
M.O.C. #20753
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__________________
Mocha, one-eyed toothless, hurricane survivor, Pirate dog
2019 20th Anniversary Edition 3701LK
B&W 20K for Ford OEM Puck
2018 Ford F-350 Lariat CCLB PSD DRW KJ5CQH
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02-28-2019, 02:34 PM
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#4
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Montana Fan
Join Date: Jan 2010
Location: Littleton
Posts: 183
M.O.C. #9998
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I have firerstone air bags to make sure everything is level. However you will find that you are limited in weight by your tires!
__________________
2010 Mountaineer 285 RLD, 330 watts solar, 600 watts sine inverter, 3 type 31 agm batteries, Traveler antenna
2010 Dodge Ram 3500 SRW, 18k Reese slider, Honda 2000i, Firestone airbags
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02-28-2019, 02:44 PM
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#5
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Montana Master
Join Date: Jan 2018
Location: Thornville
Posts: 546
M.O.C. #21110
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NOTHING you put on aftermarket will increase your total towing capacity!!! There are some things you can do to help alleviate rear sag and make for a better ride, but your towing capacity will remain the same, as stated on the label on your drivers door jamb.
__________________
Darwin & Carla
2018.5 3701LK Montana
2022 3500HD Denali Duramax SRW
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02-28-2019, 02:47 PM
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#6
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Montana Master
Join Date: Jan 2018
Location: Thornville
Posts: 546
M.O.C. #21110
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I did have a 2016 2500HD Duramax prior to my current truck. On that I put 1 ton suspension springs on it,didnt change anything else, and it helped with the "tilted headlights" issue.
What coach are you pulling with your truck?
__________________
Darwin & Carla
2018.5 3701LK Montana
2022 3500HD Denali Duramax SRW
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02-28-2019, 04:53 PM
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#7
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Montana Master
Join Date: May 2011
Location: Hixson
Posts: 3,436
M.O.C. #11397
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Quote:
Originally Posted by CarWin
NOTHING you put on aftermarket will increase your total towing capacity!!! There are some things you can do to help alleviate rear sag and make for a better ride, but your towing capacity will remain the same, as stated on the label on your drivers door jamb.
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True statement! I have Air Lift bags with onboard air just to level and improve ride. They do just that for me but WILL NOT increase truck's carrying capacity.
__________________
2018.5 Montana 3791RD
Full Timers 9/1/2010 through 1/16/2020.
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02-28-2019, 05:21 PM
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#8
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Montana Master
Join Date: Nov 2018
Location: Menifee
Posts: 1,109
M.O.C. #22986
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I think you need to go out and spend all your money on a F55500000 in order to tow correctly.... fireworks in 3....2....1...LOL
__________________
2018 3920fb 2020 GMC Denali 3500 4x4 Duramax, 10 speed Allison. LB SRW, Firestone air bags with Airlift wireless onboard compressor. Anderson Ultimate Hitch. MX4 folding cover. 50gal titan in bed transfer tank. Onan 6500 lp genset installed by me ! Had: 2 HF 3500 Inverters with Parallel Kit
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02-28-2019, 06:40 PM
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#9
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Montana Fan
Join Date: Mar 2018
Location: Haysville
Posts: 107
M.O.C. #21399
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Quote:
Originally Posted by rmthelen
I have the Timbren overloads on mine and they work great, check them out at "timbren.com." Once installed, they are trouble free and do the job.If I read your post correctly, these will support your suspension and eliminate the sag.
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X2 here, they work great for us.
__________________
Brian and Tambra
Haysville
2018 - 3121RL - 2016 Ram 2500 6.4/4.10
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02-28-2019, 07:57 PM
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#10
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Montana Master
Join Date: Sep 2017
Location: Tacoma
Posts: 1,567
M.O.C. #20475
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Wear are all GVRW police at!
__________________
Bob & Carol Washington St
2017 HC HM352RL 2018 Dodge 3500 laramie CC LB 4x4
Curt Q25 with puck system, Factory air bags
Happy Trails
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02-28-2019, 09:28 PM
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#11
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Montana Master
Join Date: Mar 2016
Location: Catoosa
Posts: 772
M.O.C. #18384
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No need here for the weight police, the OP states he is careful not to overload. The weight police can go back to riding their high horse!
Now to the original question... I have the air lift bags on my truck and feel minumium difference between the before and after ride. I think they do help on bridges and sudden dips. I'm sure others have a more sensitive derrière than I, but after nearly 40 years of bouncing around Tulsa's crappy roads in lightly loaded semi's, any pickup seems smooth to me 😀 I think the advantage of bags over timbren's is in their adjustability, while the timbren's advantages are cost and ease of maintenance.
By the way the general consensus in the RV world is that it's not necessary to stop at weigh stations. Although that's a subject that's debatable and a whole nother can of worms!
__________________
2015 3100RL legacy...2005 Ford F-250 CC SB. Tows like a charm! 4/19 Updated to 2017 Chevy 3500 CC SB SRW -hope it tows as well as my F 250 did!
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02-28-2019, 09:53 PM
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#12
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Montana Master
Join Date: Jun 2018
Location: Carson City
Posts: 2,017
M.O.C. #21963
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I had Firestone air bags before. They were like riding on stones alright. I considered the sumosprings. TL magazine did a poor story on them and they didn't respond to my further questioning about them. My question was will they increase ride height of a loaded truck. I asked the manufacturer the same and they don't have a clue either. All they offered was money back if not satisfied. I'm trying to level a 3500, good luck with a 2500.
__________________
2016 3160, Legacy, Sailuns, Splendide 2100 xc vented, 1 1/2" axle lift blocks, disk brakes. 2014 Ram 3500 SRW SWB 4X4 6.7 Aisin Mega Cab, EBC slotted disks and brakes, Titan fuel tank.
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03-01-2019, 05:56 AM
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#13
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Montana Master
Join Date: Aug 2009
Location: Grand Rapids
Posts: 1,896
M.O.C. #9561
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weight police need to relax on this one. he was JUST asking about additional support not weight issues.
I always liked my air bags.
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03-06-2019, 01:21 PM
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#14
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Montana Fan
Join Date: Oct 2014
Location: Fishers
Posts: 131
M.O.C. #15824
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Timbren for me, made a nice difference and are NO maintenance once they are on.
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03-06-2019, 01:38 PM
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#15
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Montana Fan
Join Date: Jul 2018
Location: Fullerton
Posts: 209
M.O.C. #22148
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I recently installed a set of Air Lift bags on my 2015 F250 SD 4X4. The air bags leveled out my trailer when I’m towing and made for a more comfortable ride. I’m very happy with the results.
Don
__________________
Donjamin & Laurie
Fullerton, CA
2016 Montana Legacy, 3160RL
2015 Ford F-250 SD 4X4
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03-06-2019, 01:41 PM
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#16
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Montana Fan
Join Date: Sep 2018
Location: New Castle
Posts: 112
M.O.C. #22550
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Thank you all for the input Yes, I understand it doesn't change capacity , but wanting to "drop the headlights" back to normal Lol
I'm pulling a 3701LK , and yes, capacity is tight , but I'm careful. I think I'm gonna give the Timbren a shot and see how it works
Thanks again for all the input I love this forum and all it's members
__________________
2018 3701 LK , 2014 GMC 2500 HD Denali , Duramax
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03-06-2019, 02:04 PM
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#17
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Montana Master
Join Date: Jul 2004
Location: Manhattan
Posts: 1,144
M.O.C. #1846
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From what I've seen, timbrens replace the normal bump stock on your axle / suspension. They are more like overloads than leveling.
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03-06-2019, 02:05 PM
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#18
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Established Member
Join Date: Jun 2018
Location: Redding
Posts: 35
M.O.C. #22062
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Quote:
Originally Posted by Rsmarlow82
I'm looking to add support to suspension for my 2014 GMC 2500 HD Denali Like others I'm at capacity for my truck and 5 th wheel
Anyone have any experience with SumoSprings, a urethane suspension system ? And or comments on air bag systems ?? I shud have a 3500 but don't so trying to find solution We are very careful to not overload as I cross scales frequently
Thanks for any input
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Just went through same decision. If you will be safe under 17k towing, it’s a great time to buy a 3500. Obviously if you can swing it. Start searching on car gurus for the model year you want and you might score a deal- we did.
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03-06-2019, 02:19 PM
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#19
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New Member
Join Date: Dec 2013
Location: Helena
Posts: 7
M.O.C. #13941
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Got my Timbren at www.etrailer.com for my 2004 Chevy 2500HD. The rear end road high unloaded. Had the Timbren added when the hitch was installed and we picked up the trailer at the dealer. When we hooked up the HC318RE, it was perfectly level. I understand the Timbren have "progressive" increasing support, which means it might not bottom out to the "hard" stop, leaving some cushion for a better ride. It gave my truck a nice ride. I highly recommend them.
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03-06-2019, 02:46 PM
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#20
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Montana Fan
Join Date: Sep 2018
Location: Reno
Posts: 291
M.O.C. #22620
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Agree with most posters - nothing can be done to increase the GVWR of your truck. I have Firestone airbags to keep my truck level with the Monty attached. The GVWR of your truck is based on how much weight can your tires safely support, how strong is your drive train and what can your brakes handle. That was all set on the factory floor when your truck was built.
My trailer GVWR is 200 lbs over my truck's GVRW but I don't have washer/dryer or generator and I watch my load to stay save.
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