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i have a 1968 f-250 i bought about a year ago. The truck has less then 100,000 miles on it runs like a dream. But it eats a set of front tires in about 6 months.... My kingpins seem to be tight. but my wheels look like this \ / . any good ideas. the only thing i can think of is that the previous owner put in heaver springs in the front to make camber correct when loaded down.... Oh and this truck is a 2wd with ttb style front axle
What are calling a ttb axle?
If the truck has king pins, it's a solid front axle. Some shops can still bend them to adjust camber. You'll need to do that. I don't think heavier springs on a solid axle would change you're camber like that.
Bob
Did the previous owner install later ('73 - '79) disc brakes?
If so, the problom may lie there.
Post back if that is the case, or if you aren't sure and want to try to find out.
Heavier springs will make it worse, not better. We lowered the springs on my son's '70 (with clamps) and it was closer to normal. Kinda low-rent, but it worked. And as banjopicker pointed out, a PO may have changed the spindles- not all have the same kingpin angle. Also, check the other suspension components. The radius rod rubber bushings were gone (not worn out, GONE) on my son's truck, so the I-beams could float back and forth about an inch.
techniqally(spelling it isnt a solid axle. its like to i beams with a pin in the center kinda like a scissor. And no it doesnt have a disc break conversion
Only after the beam pivot and radius rod bushings have been checked for condition or replaced as well kingpins, wheel bearings and steering linkage then have the beams bent to correct the camber. Use a shop that does truck axles not your regular front end alignment shop.
Have the truck gassed up and everything added to it as you would use the truck every day. Add 200 pounds of weight on the drivers seat before they bend the beams. Toe in will have to be corrected after the beam correction.
This would be a good time to check the rag joint and adjust the steering box, by this adjust correctly not cranking down the stud.
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