Originally Posted by WayWard Wind
Lew-- we just purchased a new TV---2500 HD GMC--- & since you said you have a chart for calculating sag, I'm wondering what it says for our set-up. We have a 25' Safari w/ a tongue weight of 610# give or take alittle.
With the HD suspension of your rig, you should figure 1/8" sag per 100lb tongue weight
. That should be about 3/4" sag. Half ton suspensions usually figure 1/4" per 100lb. and lighter weight vehicles like cars up to 1/2" per 100.