I bought a lifted 80 with 2" OME and with OME caster correction bushes.
The car was pretty wiggly on the road so I checked the caster angle.
It was minus 0.5 degrees. Spec is plus 2-4 degrees. So pretty much out of spec.
2" elevation gives change of caster - 3.4 degrees.
Caster correction bushes corrects about 2 degrees, so the corrected caster becomes somewhere between Minus 1 and plus 2 depending on the starting point.
To increase the caster, the front axle should be turned forward at the bottom clockwise if you are on the driver's side.
To accomplish this I grinded the front holes of the swing arm mount on the axle 6 mm downwards and welded on top of the hole.
It improved caster by 2 degrees.
The black plate is just a template to get the holes the same
After welding. (I was not a good welder at that time)
The car was pretty wiggly on the road so I checked the caster angle.
It was minus 0.5 degrees. Spec is plus 2-4 degrees. So pretty much out of spec.
2" elevation gives change of caster - 3.4 degrees.
Caster correction bushes corrects about 2 degrees, so the corrected caster becomes somewhere between Minus 1 and plus 2 depending on the starting point.
To increase the caster, the front axle should be turned forward at the bottom clockwise if you are on the driver's side.
To accomplish this I grinded the front holes of the swing arm mount on the axle 6 mm downwards and welded on top of the hole.
It improved caster by 2 degrees.
The black plate is just a template to get the holes the same
After welding. (I was not a good welder at that time)
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