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Basically it means being able to lift one tire higher and higher and have the others stay on the ground. If you've ever had an 81 Toyota (like I have) and driven one front tire into any kind of dip and had the opposite side back tire lift up and spin out. This is from lack of articulation.
It's the ability of the suspension and frame of the truck to twist/drop/compress, etc... to be able to go over tough terrain. Kinda like how much the wheels will move up and down, but also adding in the rest of the trucks ability to move as well. For example, let's say your front tires can move up 6" before you hit the bump stops. Now, let's say you drive up onto a 8" tall rock with one front tire. If there is no give anywhere else in the suspension, one of the other tires is going to have to come off the ground. Articulation is the ability of the entire suspension system to compensate and keep all 4 tires on the ground.
Or something like that.
Your articulation remains the same, however, you now become more top heavy and the shorter stock springs + weight moved up = not desireable. Everybody does this, its not a big deal, but it is why I pointed you towards James Duff and his long travel springs. You can go up, but become less tipsy because those springs articulate better. It really depends if how well you want it to perform offroad...how much $$$ you have.
yup its flex, which is directly related to looseness of suspension and wheel travel. If you wheel alot then you whant alot of it and one of the cheap and dirty trick to get more is to pull of your swaybars. This is not recomended if you do alot of road driving though, these buggers controll your boddy roll...
I have a 91 F150 4x4, and i just removed my rear sway bar yesterday. Will it be alright for road driving? So far the little bit ive driven since yesterday i couldnt tell much difference. But id still like some opinions from a few others.
That sway bar will have less effect with the truck empty so you may not notice it much now. I would be careful when hauling a load, especially something top heavy like a camper. That's when you will really notice the difference not having it. If you don't do any heavy hauling then you probably won't notice it not being there.
Usually for the purpose of articulation people remove the front sway bar. It makes a bigger difference.