F350 Dually, anyone upgrade to F450 springs?
The rear springs are pretty saggy on my F350. 2005 Dually. It's used with 125k miles on it, must have had a good life towing a 5th wheel. It has a rear driveline vibration because of it. I'm going...
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BoatyCall upgraded his F350 suspension to F450 but ultimately upgraded the truck because he was pushing axle weight limits. You can check out spring packs at SD Truck Springs to see if the local source is competitively priced.
