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10-24-2021, 12:13 PM #11
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I have Air Lift bags with a remote compressor & Bilsteins. I also have valves inside the fuel fill door in case the compressor or batteries in the remote ever die. I run 5-8 lbs when empty, seems to help the ride (also dropping air pressure in the tires. With the trailer, I run 50 to 70 lbs. depending on road conditions & how heavy I load.
I had Firestones on my old F250 where the cages collapsed-went to Air Lift on it & the dually & have had no problems.
I've run I40 from California thru Flagstaff (nasty A.. road) in the winter, with & without bags. I don't come down as hard on the overloads with bags, a little more bounce, but better than feeling I was bouncing off the framePaul, Sue & Wonder Dog Zane
'18 Solitude 310 GK
"15 F-350 6.7, DRW, CC
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10-24-2021, 12:31 PM #12
Thanks for that info. I know one of the challenges is air pressure in the rear tires. I run closer to max psi given I’m a SRW and I’m always pulling heavy. I don’t want a rear tire blowout because of under inflation for sure. When I’m not pulling I lower the pressure to 70 I’m the rear which is much nice than closer to 80.
I will be on that I-40 stretch you spoke about in the spring so good info also, THX!!
Jason2023 Momentum 397TH w/Gen3 Goosebox
2020 GMC Sierra Denali Duramax
2020 F-450 Limited PowerStroke
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10-24-2021, 01:16 PM #13
Air bags & Bilsteins
Diane and Mike
2022 280RS. Onan generator, Sumo Springs, MORyde crossmembers, hardwired surge protector
2015 F-350 DRW 4x4 6.7L Power Stroke Feed Truck. 4.10s, front & rear stabilizer bars, Andersen 3221-TBX
2021 Thor Chateau 22E Class C (retired) & 1970 Pop-Up Camper (retired - saw much of Western Europe)
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10-24-2021, 03:16 PM #14
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10-24-2021, 03:35 PM #15
Thank you.
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10-24-2021, 03:50 PM #16
- Join Date
- Nov 2019
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- Lehigh Valley PA
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I too run with Timbrens. Like Bob mentioned, when I'm not weighted down, then I'm riding on my original suspension. Also I don't need to worry about air leaks
or having the proper inflation, or worry about any failures. Nothing really to fail on the Timbrens. One less issue to worry about.Last edited by RoJoSo; 10-24-2021 at 03:51 PM. Reason: spelling error
2020 Grand Design Reflection 303RLS 5th Wheel
2013 Ford F250 Super Duty, King Ranch, 6.7 Diesel, HD Tow Package
B&W Companion Slider RVK3405
Timbren Rear Suspension Enhancement System R250SDG
Titan 50 Gallon Fuel Tank
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10-24-2021, 04:11 PM #17
Do the Timbrens perform the same function as SumoSprings? I’ve been reading as much as I can trying to determine what to do with my truck to prepare to pull a fifth wheel. Both the SumoSprings and Timbrens seem to get good reviews. I have not seen anything that describes how they differ.
I have a 4,500 lb gooseneck equipment trailer that I use to transport a 10,000 lb track loader. Also a gooseneck stock trailer, gooseneck hay trailer, etc. When hauling heavy loads my truck feels like it is bottoming out. I can live with it infrequently hauling hay, moving equipment, etc. locally but I don’t want to spend a lot of time on the road pulling a fifth wheel long distances without addressing my suspension.
Last edited by Mike Clay; 10-24-2021 at 04:23 PM.
Diane and Mike
2022 280RS. Onan generator, Sumo Springs, MORyde crossmembers, hardwired surge protector
2015 F-350 DRW 4x4 6.7L Power Stroke Feed Truck. 4.10s, front & rear stabilizer bars, Andersen 3221-TBX
2021 Thor Chateau 22E Class C (retired) & 1970 Pop-Up Camper (retired - saw much of Western Europe)
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10-24-2021, 04:20 PM #18
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- Nov 2019
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- Lehigh Valley PA
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They do perform the same function. Sumo offers several spring weights. Timbrens are a heavier spring.
This link will answer many of your questions
https://www.truckspring.com/timbren-vs-sumosprings.aspx
As stated in my signature, I use the - Timbren Rear Suspension Enhancement System R250SDG
They are a heavier spring which is what I was looking for.2020 Grand Design Reflection 303RLS 5th Wheel
2013 Ford F250 Super Duty, King Ranch, 6.7 Diesel, HD Tow Package
B&W Companion Slider RVK3405
Timbren Rear Suspension Enhancement System R250SDG
Titan 50 Gallon Fuel Tank
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10-24-2021, 04:24 PM #19Diane and Mike
2022 280RS. Onan generator, Sumo Springs, MORyde crossmembers, hardwired surge protector
2015 F-350 DRW 4x4 6.7L Power Stroke Feed Truck. 4.10s, front & rear stabilizer bars, Andersen 3221-TBX
2021 Thor Chateau 22E Class C (retired) & 1970 Pop-Up Camper (retired - saw much of Western Europe)
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10-25-2021, 06:30 AM #20
- Join Date
- Mar 2021
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- Bethany Beach, DE
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Agree 100%. The Bilsteins will virtually eliminate the oscillation and the Timbren springs stabilize and prevent the bottoming out of the leaf springs. The Timbren will also help to extend the life of your shocks. We've towed heavy on the NH to FL route....at the limit of our SRW "1 tons" for years with this exact setup (and without) and it is night and day. I did add sumo springs to my 310GK and they also help to eliminate excess oscillation in the rear of the trailer, but only by shortening spring travel. I would say they are not as good as trailer shocks, but a lot easier to install if you have nothing there to begin with.
Sent from my moto g power using TapatalkDECelt
2021 Solitude 310-GK
2022 Ram 3500 CCLB diesel
Bottle Jack
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