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Old 11-07-2018, 06:15 AM   #1
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Air Lift Helper Springs on a F35 Chassis

I am considering installing the Air Lift 5000 Ultimate Air Helper Springs with internal jounce bumpers on my 2017 Forest River FR3 Motor home. Has anyone made this modification to their unit. I have considered Sumo Springs but I like the ability to adjust the air pressure for different loads and situations. Looking for an honest answer
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Old 11-07-2018, 07:26 AM   #2
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I have sumo on all 4 and they work just fine, no need to adjust - possibly adjust tire pressure for loads only, but typically only by 1 or 2 psi
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Old 11-10-2018, 03:09 AM   #3
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I considered the Air Lift 5k on my recent rear F350 dually suspension upgrade, but dont like the fact that your essentially removing weight from the springs when you inflate the bags. I chose instead to add the Timbren joust bumpers to help handle the extra down force on a heavier 5er. To each his own I suppose. If you add air bags, protect the air lines with fuel hose and teflon tape on all fittings.
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