But this is just an opinion for what that's worth.SuperSprings International (Carpinteria, California) introduced the SumoSprings Solo Kit as a replacement/upgrade for the Sprinter’s front and rear O.E. This would provide feedback to us where I suspect the shocks would provide the greater benefit. I had asked if he could test the shocks alone and again with both shocks and sumo springs. His improvement may be due to a reduction in the pitching motion of the trailer and how this response is felt in the TV. drifterranch, has added sumo springs to his trailer and tells us they made an improvement where he was also contemplating adding shocks. Also as mentioned additional mass adds damping.įor the trailer, and to your point, I would rather add shocks (dampers) than sumo springs alone. Springs/airbags dampen compression forces but not rebound without some sort of additional system, most often shocks.Jeff,įor the TV I do not think adding rebound damping is necessary since the air bag or sumo spring will supplement the system where the secondary spring will not be used as heavily, and in some instances the jounce bumpers will not have contact in severe inputs. So a properly sprung trailer is one that supports the median load within parameters for sag. I don't think there is any real argument over that. The point I am making is that the shocks dampen the rebound forces and the oscillations. Springs/airbags dampen compression forces but not rebound without some sort of additional system, most often shocks. And having spent countless hours on a test track I can tell if the ride quality has changed.įirst, I have airbags on my truck and like them because they level the truck when under load and also because I agree that they somewhat improve the ride over stock springs.īut disconnect your shocks and see how it rides then. Not trying to sell airbags to anyone but they have worked exceptionally well for me. For the TV shocks are important but under heavy loading the mass is there as well. While lack of shocks is not a perfect solution to trailers, there are some instances shocks (or dampers) could help. Mass can dampen vibration which is why most trailers do not use shocks. Well Jeff, my backside tells me that is not correct for my AirLift System. Data would be nice, but without that, we should gather enough feedback to see where this goes. And having spent countless hours on a test track I can tell if the ride quality has changed.įor the sumo springs I have not used them but am open to folks providing feedback on them as well as other devices. Without rebound dampening, all heavier or helper springs do is make the ride potentially stiffer and bouncing is increased.Well Jeff, my backside tells me that is not correct for my AirLift System. It's been discussed before as mentioned above by CanyonlightĪdding additional springs/sumo's/air bags on the trailer will not soften or smooth the ride unless you also add some sort of rebound dampening like a shock absorber provides.
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