LX570 Tow Report (7 Viewers)
- Thread starter TeCKis300
- Start date
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Great deal!
I would set up the ball height in normal, but then maybe setup the spring bars in high so that when you drop the suspension down they are fully engaged. The suspension is supposed to drop like 1.5” to put the bars in tension, but since AHC will level out you gotta basically tension them tighter than you would on a vehicle with normal suspension
- Thread starter
- #126
Missed this question. I would agree it's going to be in the ballpark of what @skrypj describes. There's too many variables including tongue weight that it's not an exact science, and unfortunately there's no single methodology like measuring the front fender for a static suspension.
On mine, even in AHC high, I will need to use my tongue jack to lift the hitch probably another ~2" before I can put the bars on the bar hangers by hand. But that's also a function of my trailer that's 1200lb tongue. Yours may not need as much tension and would be closer to what @skrypj describes. I would start with 5-6 washers in the hitch head for down angle (this is depends on your bar hangers too which should keep the bars relatively parallel to the trailer tongue).
Using CAT scales may be the only objective way. Even there, 50% Front Axle Load Restoration (FALR) is only a guideline. You may only really need say 30% load restoration statically because AHC will further tighten things up at speed when it lowers slightly. Trust how it feels when driving as ultimately, if it feel loose at speed, then it needs more tension (or more tongue weight, or more tire pressure, or ball closer and tighter to bumper). If it feels stable, it is stable.
