Hey guys. I have an 06 FX4. I just rebuilt the suspension with factory setup parts. I am wanting to get some lift out of the front end. I'm debating on doing a torsion twist or putting 2.25" torsion keys on it. I did a torsion twist on them before. I did get the desired lift out of it but it made my truck stiff as hell! I am wondering if I do the torsion keys instead if the ride will be softer or not? Any advice or tips is appreciated. Thanks

 

Torsion keys are a bad idea. All you'll end up with is it twisting the bars more. Either get used to the harsher ride from cranking the bars up a little, or live with the truck sitting lower.

Or buy a Superlift.



GB :)

 

Torsion bars are the "springs" for the front end
They are set for the frame and body weight on the front axle

Springs work to absorb bumps by the weight on them, if the weight is correct then when front wheel goes up over a bump the spring is compressed(twisted in your case) because the weight of the frame and body are holding top or end in place so very little upward movement is transferred to frame and body, the spring does its job, it absorbs the movement

If you increase the rating on the spring then when front wheel goes up it just pushes up the frame and body, not enough weight to hold top or end in place, a "stiff" ride


The rear of pickup trucks can be bad for this, they have springs rated for their load capacity, like 1/2 ton rating, so an extra 1,000 pounds
This can give them a very stiff ride when bed is empty
You can install "softer" springs and an overload spring
Overload spring only touches frame when load in bed get above say 500 pounds, so you get the better ride and don't lose load rating