Shocks for a 2004 Sierra 2500 HD ?
I am pulling a 25 foot 2004 Airstream Classic (GVWR 7300 lbs) with a 2004 GMC Sierra 2500 HD SLE and a Hensley hitch. As the pick-up gets older, when I go over bumps in the road I feel like I'm sometimes going over an ocean swell, however sway is not a problem. I can't remember the last time I replaced the shocks on the pick-up. Would replacing them help resolve the problem, and which shocks would you recommend ? Any input is appreciated. Thanks.