Austin / Morris /etc 1100 and 1300 were, iirc 4 stud, 4 1/2" pcd, 12". Maxi were the same stud spacing but 13", as were Allegros, and some Marina vans. Watch out for the wheel offsets - I picture 1100 wheels as deeply dished, but could be wrong, and for the centre hole size.
Hi lee, if you give my mate Terry in Beeline Trailers a rintg he will be able to advise you. I seem to remember it's alot to do with loadings etc, not just for the tyre but for the wheel.
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