Which Timbren Jounce Springs Should I Use On My 2019 F-350 With Slide-In Camper?

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Question:

Hi, Im trying to decide between the Timbren FR350SDJ and the severe service FRTT350J. Its for a 2019 F350 DRW 4WD that hauls a 5000 lb slide-in truck camper. I already have StableLoads both upper and lower, so theres no sag. What Im trying to do is replace the airbags I have now typically run at minimal pressure with something I dont have to worry about leaking somewhere inconvenient. Adding some additional side to side stability would be a secondary goal. The issue is this: with the StableLoads, do I need the severe service Timbrens or just the regular ones to accomplish this goal? Im trying to NOT introduce a rough ride with the camper off and the Lower StableLoads removed, while improving stability with the camper on and the StableLoads in place.

asked by: Ken M

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Expert Reply:

If you plan to have the truck bed camper removed more often than not, then I would instead go with the standard
Timbren Suspension Enhancement System - Rear Axle # TFR350SDJ. This would not cause a harsh ride when the truck is unloaded, but it would still provide plenty of suspension enhancement and side to side stability. I think this option would be a safer route; also these Timbrens work well with the TorkLift StableLoad Rear Suspension Upgrade # TLA7311 you have installed.

If you plan to have the truck bed camper installed on your 2019 Ford F-350 Dually more often than not, then I would go with Timbren Suspension Enhancement System - Severe Service - Rear Axle # TFRTT350J as it would hold up better to the constant stress on the rear suspension. The downside to using this with an empty truck bed is that it would cause a harsh / rough ride in the cab. I attached a demonstration video for you to check out.

expert reply by: Andrew N

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Answer 1

Yes, the Timbren Suspension Enhancement System #TFR350SDJ that fits your 2022 Ford F-350 is compatible with the TorkLift StableLoad. The two install completely separately so there won't be any interference between the StableLoad and the…

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Answer 2

The Timbren Suspension Enhancement System part #TFR350SDJ is correct for your 2017 Ford F-350 whereas the Timbren Suspension Enhancement System part #TFR250SDJ is for a 2017-2019 Ford F-250. The brackets on both of these systems are the same so you…

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Answer 3

The unloaded picture of your Timbren setup installed on your truck is concerning. Does the truck seem to sit level from left to right? Was it ever in an accident by chance? Are any of the suspension components worn out? You really shouldn't…

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Answer 4

The only difference between the Timbren Suspension Enhancement System part #TFR250SDJ which is for a Ford F-250 and the Timbren Suspension Enhancement System part #TFR350SDJ which is for a Ford F-350 is that the latter comes with a 1/2"…

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Answer 5

Yes, the Timbren Suspension Enhancement System #TFRTT350J will fit your 2023 Ford F-350 Dually Supercab 4x4. This is their severe service kit which is only recommended to be used on vehicles which will always have a lot of additional weight being…

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Answer 6

Good question, and while we do have a rear anti-sway bar for your 2019 Ford F-350 Super Duty, the #RM-1139-173 is only for trucks that already have one, and there isn't a hardware kit that will allow installation of this anti-sway bar on a truck…

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Answer 7

There is not any drop required, nor will there be any interference with the helpers on your 2020 Ford F-350's overload springs to install the Roadmaster Rear Anti-Sway Bar #RM93VR.

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Answer 8

That's a good question, and you will keep the factory overload spring on your 2020 Ford F-350 Super Duty, as they are designed to fit directly over that spring. The correct SuperSprings kit for your '20 F-350, which will also work with your…

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Answer 9

It does indeed; I am happy to verify for you the dual rear wheel 2023 Ford F-350 Super Duty is 100 percent compatible with the SuperSprings kit you asked about, which is the following part number: - SuperSprings Custom Suspension Stabilizer and Sway…

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Answer 10

Yes, the Timbren Suspension Enhancement System #TFR350SDJ can be used with the SuperSprings Custom Suspension Stabilizer and Sway Control Kit #SSA46 on your 2022 Ford F-350. The SuperSprings will mount to your leaf springs while the Timbren replaces…

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Answer 11

The SumoSprings kit part #SSA46 does fit your 2019 Ford F-350 that has the overload spring you mentioned. This has the 3,500 lb weight capacity you are looking for as well.

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Answer 12

If you are installing just the Firestone Ride-Rite kit, #F2400, and not also adding an on-board air compressor such as #F2158, then I would estimate that it should take about 2 hours to install the kit. That is for someone with some mechanical…

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Which Timbren Jounce Springs Should I Use On My 2019 F-350 With Slide-In Camper?

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