Living where you live I would measure the bars thicknesses in several places to see if they have corroded and lost diameter work scope twocents It will only hold the most load it can at its narrowest point, I think shruggy
I would tighten them up and see if it continues to sag, if so replace them scope

Last edited by Cab_Burge; 06/25/18 08:08 PM.
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)