struts

Does any one have experience towing full time. What if any suspension upgrades would you suggest. Currently have 20” wheels and the factory tow package.

Just put 22s on the Tahoe and I'm running 305s with no rub. The issue is when I get on the highway and hut 60mph and up the steering wheel shaking begins. I've force balanced and everything so now I'm trying to determine are my factory struts in front too short considering they only have a...