[Eternal]

I did this the other day on a 7.5" was not too much trouble.

Last post on this page http://www.haynes.co.uk/forums/showt...t=4468&page=13
and first post on this one http://www.haynes.co.uk/forums/showt...t=4468&page=14

If you get a 2nd bracket and weld it to the edge of the bracket so its flush then cut out the top of the original bracket. All you then need is a longer bolt m12x60 and a 28mm spacer.