I bought a pre lifted fj60, it's on 33s and there seems to be plenty of room, so a 2" or 3" lift.
The PO has proven to make some odd decisions, so it may have not been aligned/shimmed after the lift.
When on a bump or rutted road, have to work pretty hard to keep it going straight and on the road.
When a brake it gets a little brake steer,
I only just recently (as in googling this question before posting) heard of torque steer, but I think I have a little of that too.
Also, there is about 15 deg either direction of dead space in the steering. I'd be very surpised if there are not worn-out components, what tests should I do to figure out what is causing it?
The obvious ones are to
1. Reach under and see if anything moves when I pull on it,
2. Run the wheels back and forth on the pavement and look for slack at component joints.
3. Put it on jack stands and run it left and right and look for slack at component joints.
What other tests should I be doing?
Isn't there a power steering box adjustment?
Break and torque steer a pretty minor, though I'd like to address them eventually. The bump steer and rut steer (for lack of a better term) are top priorities, are castor shims something all good alignment shops would have? OR should I buy a set of 2.5 deg ones, and install them before going to the alignment shop?
Are caster shims needed after most lifts or just SOA? I definitely don't have SOA lift.
With the castor shims am I adding a positive or negative caster to the steering to compensate for a 2-3" lift? (MUD searching seems to indicate 2.5+ degrees of positive camber)
Pic cruiser to see lift to ID height, plus it's a pic of a cruiser.
Correction: I just read on another thread that bump steer is when the wheel moves, but the truck still goes straight, that's not what I'm getting, i hit a bump or a rut and have to radically adjust to stay on the road. Now I read in another thread its the opposite, the car turns without the steering wheel moving, and that's what I'm getting.
Also worth noting, I had a non-lifted Fj60 for several years, and I was happy with its steering.
I did a mini truck PS install on my FJ40, but that's pretty much my sum total knowledge about steering components.
The PO has proven to make some odd decisions, so it may have not been aligned/shimmed after the lift.
When on a bump or rutted road, have to work pretty hard to keep it going straight and on the road.
When a brake it gets a little brake steer,
I only just recently (as in googling this question before posting) heard of torque steer, but I think I have a little of that too.
Also, there is about 15 deg either direction of dead space in the steering. I'd be very surpised if there are not worn-out components, what tests should I do to figure out what is causing it?
The obvious ones are to
1. Reach under and see if anything moves when I pull on it,
2. Run the wheels back and forth on the pavement and look for slack at component joints.
3. Put it on jack stands and run it left and right and look for slack at component joints.
What other tests should I be doing?
Isn't there a power steering box adjustment?
Break and torque steer a pretty minor, though I'd like to address them eventually. The bump steer and rut steer (for lack of a better term) are top priorities, are castor shims something all good alignment shops would have? OR should I buy a set of 2.5 deg ones, and install them before going to the alignment shop?
Are caster shims needed after most lifts or just SOA? I definitely don't have SOA lift.
With the castor shims am I adding a positive or negative caster to the steering to compensate for a 2-3" lift? (MUD searching seems to indicate 2.5+ degrees of positive camber)
Pic cruiser to see lift to ID height, plus it's a pic of a cruiser.
Correction: I just read on another thread that bump steer is when the wheel moves, but the truck still goes straight, that's not what I'm getting, i hit a bump or a rut and have to radically adjust to stay on the road. Now I read in another thread its the opposite, the car turns without the steering wheel moving, and that's what I'm getting.
Also worth noting, I had a non-lifted Fj60 for several years, and I was happy with its steering.
I did a mini truck PS install on my FJ40, but that's pretty much my sum total knowledge about steering components.
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