Full lock judder

Afternoon all,
My 1986 90 county starts to judder when i'm turning it around anywhere with right full lock on (haven't noticed it when turning left). Any ideas what might be causing it?
Cheers
Gaz

Tracking possibly? With your steering wheel straight ahead see if the front left wheel is pointing straight forward, and the front right wheel is toeing out slightly. That'd make your right wheel hit the chassis/arm and judder. Had this problem myself but turning left and thats what is was.

If it turns out this is the problem jack up front right wheel and turn tracking rod to make larger and bring the toe in. Because that wheel is jacked up it'll be the only one which moves, instead of altering the tracking of both wheels.

juddering: I would want to see it hear it myself before passing any comment. My suggestion is that if it is both left and right you may have difflock engaged. Otherwise it opens up many more things

what size tyres have you got ? Ihad 235/75/16 amazons fitted and they used to catch on the radius arm. failing that CV Joint. or PAS.