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05-26-2018, 12:52 PM
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#1
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Senior Member
Join Date: Oct 2016
Location: Sherman
Posts: 326
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Replacing suspension
I am looking into replacing the leaf spring suspension on my 2017 Alpine 3401RS. I have already replaced the brakes with electric over hydraulic.
Most interested in the Timbren Silent Ride system and was wondering if anyone has installed them.
http://timbren.com/silent-ride/
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2017 Alpine 3401RS,Titan Disc brakes,Morryde SRE 4000, 2016 Ram 3500HD Laramie SRW,LWB,4X4, Aisin transmission
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05-26-2018, 05:23 PM
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#2
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Senior Member
Join Date: May 2018
Location: Oregon
Posts: 1,138
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Quote:
Originally Posted by Ddubya
I am looking into replacing the leaf spring suspension on my 2017 Alpine 3401RS. I have already replaced the brakes with electric over hydraulic.
Most interested in the Timbren Silent Ride system and was wondering if anyone has installed them.
http://timbren.com/silent-ride/
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That looks awesome! Reminds me of old time Hendrickson extended leaf combined with Hendrickson Pad. These were used big time on lodging and dump trucks 70’s and 80’s
Can I ask what’s your motivation for the upgrade?
__________________
2017 Alpine 3661FL: For Sale
2021 Vilano
2020 F350 Crew DRW 6.7, 4x4, 10 sod auto, 4:10 gears
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05-27-2018, 04:00 AM
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#3
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Senior Member
Join Date: Oct 2016
Location: Sherman
Posts: 326
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Would like a less jarring suspension and I just do not feel secure with the components of the leaf spring setup.
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2017 Alpine 3401RS,Titan Disc brakes,Morryde SRE 4000, 2016 Ram 3500HD Laramie SRW,LWB,4X4, Aisin transmission
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05-27-2018, 12:23 PM
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#4
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Member
Join Date: Jan 2013
Posts: 55
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You might also consider the Morride rubber center support. We have the 4" travel one on our Montana and nothing moves while traveling. Also consider the Morryde X factor braces. If you don't have wet bolts, now would be a good time to install them.
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05-27-2018, 06:08 PM
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#5
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Senior Member
Join Date: Oct 2016
Location: Sherman
Posts: 326
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jlb27537
Thanks for the input. The MorRyde SRE 4000 looks like a big improvement over the Dexter EZFlex I now have. The price is certainly good compared to some other options.
Do you have shocks on your RV?
__________________
2017 Alpine 3401RS,Titan Disc brakes,Morryde SRE 4000, 2016 Ram 3500HD Laramie SRW,LWB,4X4, Aisin transmission
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05-27-2018, 06:49 PM
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#6
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,356
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My ‘97 Jayco Eagle 323RKS had shocks and I can’t say it made a big difference. I broke 2 mounts and didn’t even notice a difference in the ride.
__________________
2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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05-27-2018, 07:37 PM
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#7
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Site Team
Join Date: Mar 2011
Location: Gaylord
Posts: 26,997
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We had shocks on our Airstream and on our Holiday Rambler. We have the Mor ryde 3000 system on the Cougar. We haven't noticed anything out of the ordinary with the Cougar. All the cabinet doors stay closed and there's nothing out of place, just like in the Airstream and the HR. I'd say that shocks didn't make for much improvement in ride. We're satisfied with the CRE3000 system. The 4000 system is similar. YMMV
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John
2015 F250 6.7l 4x4
2014 Cougar X Lite 27RKS
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05-28-2018, 03:24 AM
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#8
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Senior Member
Join Date: Oct 2016
Location: Sherman
Posts: 326
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Some shock systems place the shocks at such an angle as to render them virtually useless.
My belief that properly installed shocks on a leaf spring suspension have to have an effect not only in bounce but tire wear.
__________________
2017 Alpine 3401RS,Titan Disc brakes,Morryde SRE 4000, 2016 Ram 3500HD Laramie SRW,LWB,4X4, Aisin transmission
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05-28-2018, 04:43 AM
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#9
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Member
Join Date: Jan 2013
Posts: 55
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Quote:
Originally Posted by Ddubya
jlb27537
Thanks for the input. The MorRyde SRE 4000 looks like a big improvement over the Dexter EZFlex I now have. The price is certainly good compared to some other options.
Do you have shocks on your RV?
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No, I do not have shocks on my Montana. I had shocks on my Newmar 5th, and I really feel the Montana has a better ride. Springs, rubber center support, X factor braces, Bridgestone Durvas R250 tires. Morryde rubber pin box. Removed the #5 rubber block and swapped it for a #4 block.
The #5 block is rated for 19K and my 3150rl is less than 15k loaded, so the #5 block was too stiff for my actual weight. The #4 is a better fit for my weight.
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05-29-2018, 12:15 PM
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#10
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Senior Member
Join Date: Oct 2016
Location: Sherman
Posts: 326
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After looking at several options to improve the stock suspension on my 2017 Alpine I believe I will install the MorRyde SRE-4000 system. User reports are generally very good.
Price under $500.00
I looked at the Timbren Silent Ride but they would require some additional frame bracing and the frame manufacturer said that they would not recommend modifying the frame. Price could be over $2000.00 with installation.
Liberty Rider/Comfort Ride would just be replacing the springs and adding shocks at a cost of over $1000.00 and I am not sure how much more effective they would be over the SRE-4000
MorRyde IS most likely the best solution but $3500.00 plus tax (I have disc breaks already) is more than I can justify.
Thanks to jlb27537 for alerting me about the SRE-4000
__________________
2017 Alpine 3401RS,Titan Disc brakes,Morryde SRE 4000, 2016 Ram 3500HD Laramie SRW,LWB,4X4, Aisin transmission
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05-29-2018, 03:02 PM
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#11
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Member
Join Date: Apr 2016
Location: Franklin, TN
Posts: 33
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I'm scheduled to have MorRyde IS installed on June 20 & 21st. I will report back after install. MorRyde is also installing disc brakes at same time.
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Tow Vehicle: 2016 GMC DenaliHD 3500 DRW, CC, LB
5th Wheel: 2018 Montana 3921FB
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05-30-2018, 05:03 AM
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#12
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Senior Member
Join Date: May 2015
Location: Near Saratoga Springs,
Posts: 1,131
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I can visualize way too much twisting stress on an axle with the two walking beams working against each other if the road has opposite types of low/high areas (one side or wheel up, the other down). A conventional suspensin will have little to no axle twist moments nor will an independent suspension.
Unless you go with an IS, your best bet may be with one of the MORryde, Dexter or similar rubber equalizers in lieu of shocks. These rubber suspensions work well and best of all wont break the bank. Also, reducing road travel shock may be as easy and inexpensive as going to one step heavier spring plus the rubber equalize. RV manufacturers seem to use as light suspension as possible.
Of course, this is just my opinion and a few RV trailers worth of experience
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05-30-2018, 05:23 AM
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#13
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Senior Member
Join Date: Mar 2014
Location: Mountain Home, Idaho
Posts: 3,015
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Replacing suspension
Interesting on the need for the suspension system upgrade I find the Dexter setup on my Alpine works quite well
I tow on forest service roads and some pretty bumpy paved roads in Idaho and Montana.
Never had anything open and stuff stays in place.
I do keep an eye on the lead spring hanger mounts and don’t go around sweeping curves at Mach 9..
__________________
2007 GMC Classic club cab 4x4 Duramax LBZ
2014 Alpine 3010 RE. 34 foot fifth wheel
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05-30-2018, 05:48 AM
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#14
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Senior Member
Join Date: Oct 2016
Location: Sherman
Posts: 326
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I have the Dexter EZFlex and I have stuff out of place all the time. Looks like the MorRyde SRE4000 allows for up/down travel of up to 4 inches which should smooth the ride substantially. IMO. If not,I am only out about $400.00 and will have new wet bolts.
__________________
2017 Alpine 3401RS,Titan Disc brakes,Morryde SRE 4000, 2016 Ram 3500HD Laramie SRW,LWB,4X4, Aisin transmission
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05-30-2018, 06:08 AM
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#15
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Senior Member
Join Date: Mar 2014
Location: Mountain Home, Idaho
Posts: 3,015
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Be interesting to see how it doe for you
__________________
2007 GMC Classic club cab 4x4 Duramax LBZ
2014 Alpine 3010 RE. 34 foot fifth wheel
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05-30-2018, 08:29 AM
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#16
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Senior Member
Join Date: Nov 2017
Location: Picacho, Az
Posts: 6,809
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While your at it get the MorRyde heavy shackle kit with wet bolts & the cross members then you'll be good to go, the only better setup would be the IS. The next best upgrade would add the disc brakes also, the difference in braking is night/day over the drums.
__________________
Full-timed 10+ years
Sold '13 Redwood FB
Traded '13 GMC Denali DRW D/A
Replacement undetermined
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05-30-2018, 01:01 PM
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#17
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Senior Member
Join Date: Oct 2016
Location: Sherman
Posts: 326
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I plan to install all new wet bolt kit and cross braces. I installed Titan disc brakes about six months ago after three of four drum brakes literally fell apart.
__________________
2017 Alpine 3401RS,Titan Disc brakes,Morryde SRE 4000, 2016 Ram 3500HD Laramie SRW,LWB,4X4, Aisin transmission
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05-30-2018, 02:17 PM
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#18
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Senior Member
Join Date: Aug 2017
Location: Lafayette
Posts: 1,068
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Quote:
Originally Posted by Ddubya
After looking at several options to improve the stock suspension on my 2017 Alpine I believe I will install the MorRyde SRE-4000 system. User reports are generally very good.
Price under $500.00
I looked at the Timbren Silent Ride but they would require some additional frame bracing and the frame manufacturer said that they would not recommend modifying the frame. Price could be over $2000.00 with installation.
Liberty Rider/Comfort Ride would just be replacing the springs and adding shocks at a cost of over $1000.00 and I am not sure how much more effective they would be over the SRE-4000
MorRyde IS most likely the best solution but $3500.00 plus tax (I have disc breaks already) is more than I can justify.
Thanks to jlb27537 for alerting me about the SRE-4000
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I think if it were me upgrading, I'd go for the MorRyde before the Timbren. They've been around for quite some time!
__________________
2015 Ram,3500,Dually,B&W,4.10s,Aisin,Limited,Silver
2018 Raptor,428SP w/full body paint
2012 Harley, Ultra Limited
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06-03-2018, 07:52 AM
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#19
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Junior Member
Join Date: Aug 2011
Location: Calgary, AB, Canada
Posts: 2
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Quote:
Originally Posted by JRTJH
We had shocks on our Airstream and on our Holiday Rambler. We have the Mor ryde 3000 system on the Cougar. We haven't noticed anything out of the ordinary with the Cougar. All the cabinet doors stay closed and there's nothing out of place, just like in the Airstream and the HR. I'd say that shocks didn't make for much improvement in ride. We're satisfied with the CRE3000 system. The 4000 system is similar. YMMV
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We had the MorRyde 3000 system on a 2010 Mountaineer that I had to replace after 3000 miles due to elongated shackle bolt holes and worn plastic bushings.
The same system is on my 2018 High Country 305RL and I had the MorRyde Heavy Duty Wet Bolt & Shackle Kit installed before i picked it up from the dealer. The kit has 1/2" shackles, greasable bolts, and bronze bushing . Mor Ryde actually suggest that the kit be added so that, "this system will prevent you from being stranded on the side of the road due to broken shackles." I wonder if they expect all who only have the basic 3000 system to become stranded and if so why would they not build the suspension with the kit components in the first place. Check out their website for details. The cost for the kit in the US is only around $90 which is pretty cheap added confidence.
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Christopher (Chris) Clarke, P. Eng.
Calgary, Alberta, Canada
2010 Mountaineer 326RLT;
2007 Silverado Duramax 2500HD LTZ
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06-03-2018, 08:30 AM
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#20
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Senior Member
Join Date: May 2015
Location: Near Saratoga Springs,
Posts: 1,131
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Quote:
Originally Posted by Triplecee
We had the MorRyde 3000 system on a 2010 Mountaineer that I had to replace after 3000 miles due to elongated shackle bolt holes and worn plastic bushings.
The same system is on my 2018 High Country 305RL and I had the MorRyde Heavy Duty Wet Bolt & Shackle Kit installed before i picked it up from the dealer. The kit has 1/2" shackles, greasable bolts, and bronze bushing . Mor Ryde actually suggest that the kit be added so that, "this system will prevent you from being stranded on the side of the road due to broken shackles." I wonder if they expect all who only have the basic 3000 system to become stranded and if so why would they not build the suspension with the kit components in the first place. Check out their website for details. The cost for the kit in the US is only around $90 which is pretty cheap added confidence.
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Chris - first, welcome back to the site. Looks like you have been away.
Many, if not most of us, at least with the bigger 5ers and TTs have installed wet bolts, But with that said, these are not a 100% cure-all to wear. While there is little chance that the actual shackles will break, the bronze bushings will wear even with regular lubing. They are a lot better then the original nylon bushings but still only a band aid for a design that's, in my opinion, way too light duty for the service factor.
You may find that those bushings will last 12-15000 miles as I have and they will need replacement. On our '14 343RL HC, I am now on the third set of bushings and bolts in 22,000 miles. Instead of the bronze pieces am trying the Lippert Never Fail, non lubricated polyamide bushings on the new wet bolts. I may grease them as another band aid
Then the bolts themselves. On 5200/6000 pound axles, they are 9/16" diameter, I've measured wear new then used and am seeing a minimum of .010 then going in one case to .020 in 12-15000 miles with totally worn through bronze inserts regardless of my regular lubing. This wear is only in the outer ends and on the free end of the center shackle. The wear on the three bronze bushings and bolts in the MORryde CRE3000 has been negligible though.
This is the state of building RVs. Virtually all of them have 1-3/4" wide spring leafs with only more 3/8" leafs in the spring pack to make up a weight carrying package.
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