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Thread: 2400BH Flat Leaf Springs
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03-13-2022, 03:12 PM #11
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[QUOTE= Also, any worries about reusing the u-bolts, nuts and plates if I change out these springs?[/QUOTE]
ALWAYS install new hardware when installing new leaf springs - new u-bolts, new lock nuts, new washers, etc.
I also recommend installing new metal bushings and using plenty of suspension grease on the rubbers.
Non-metal bushings should never be used in a suspension systemMark and Judy
2021 F350 Lariat Crew 4x4 SRW 7.3 Godzilla
2021 Imagine 2500RL w/Hensley Arrow hitch
Fleet Manager, Cowlitz County WA Search & Rescue
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03-13-2022, 05:02 PM #12
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03-13-2022, 06:31 PM #13
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- Sparks, NV 89436
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Roadmaster kits are not cheap. I had the slipper spring kit and the shock kit installed by a local frame shop. The cost for the 7000 lb. axle kit and shock kit was $1525.00. Labor was $1600.00. Some of the reviews I read stated that they installed the kits themselves. I am sure they were submitted by younger guys.
More info at Trailer Life: https://www.roadmasterinc.com/pdf/tr..._july_2018.pdf
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06-04-2022, 11:50 AM #14
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I got around to the upgrades a couple weekends ago. Pictures attached. I did go with the 2,000 lb rated springs instead of the 1750s that came with the Dexter axle assembly. I feel much more confident pulling this this season, especially with the tire upgrade. Special thanks to jproctor9 for his details on working around the drain pipe on the 240BH https://www.mygrandrv.com/forum/show...ghlight=factor
2021 Ram 1500 Laramie Crew Cab 1346# payload
2021 Grand Design 2400BH
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08-24-2022, 07:17 PM #15
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Can you provide links to where you purchased the leafs, u bolts, brackets, suspension equalizer, sumo springs etc. and which part numbers they are? I’m about to close on a deal with a 2021 2400BH and am looking to do the same improvements. Thanks!
Last edited by Rstrick0352; 08-24-2022 at 07:20 PM.
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09-11-2022, 03:00 PM #16
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Etrailer.com for bolts and springs: https://www.etrailer.com/Trailer_Lea.../SP01-060.html. https://www.etrailer.com/Trailer_Lea...SP-220275.html. Sumo springs, xfactor, wet bolt and equalizer from Amazon. MORryde UO21-003 X Factor Performance Crossmembers - SRE, CRE, Stock and Other Equalizers , Black https://a.co/d/ckvKLOw. TSS-107-40 | Trailer SumoSprings for Trailer Axle, GAWR: 3000-5000 (Spring-Over Axle Configuration) | Left/Right Pair | 1400 (lb) Capacity at 50% Compression | Made in the USA https://a.co/d/2HKLmQD. MORryde UO12-016 Heavy Duty Shackle Upgrade Kit, CRE3000 / Stock / Equaflex 2.25" Shackles - Tandem Axle https://a.co/d/9v1TROB. MORryde CRE2-35 CRE3000 Suspension System, Tandem Axle - 35-Inch Wheel Base https://a.co/d/7Ls0EcK
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09-11-2022, 05:24 PM #17
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Thank you so much for taking the time to respond. I needed up getting ahead of you and did some upgrades myself, largely imitating what you did. I did the same springs, used the lippert road armor equalizer, and replaced u-bolts with e-trailer replacements. I intend to weld reinforcing tabs on the spring and equalizer hangers and will determine if the sumo springs are necessary later.
Coach #1: 2021 WeeRoll 16' Silver Star, Cargo Trailer Conversion (CTC)
Coach #2: 2021 Grand Design Imagine 2400BH
Tow Rig: 2021 Super Black Nissan Titan Pro4X
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09-11-2022, 09:32 PM #18
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If I had welding tools and skill I'd make that change too. I don't think I really need the sumo springs, but I bought those first (trying to fit them is how I learned how bad my leaf springs were), and I was past the return window, so I went ahead with them anyway. I took it from Chicago to Montreal and back last month and it handled well and did not have any indication of being oversprung. Good luck with the mods and the camping.
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