We did cape yorke about 25 years ago in a series 2a swb with almost stanard suspension ,the mods probably did not help as a couple of leaves were added to rear axle to help with weight as well as the highest ply 750/16s I could get .Done the whole cape york trip as well as thousands of ks of out back travelling and the only problem was the exhaust fell off .With the heavier rear springs the corrugations of the development road were a problem as we could not reach a comfortable speed at all,so used the old telegragh track which was rough but not corrugated and the old girl thought it was in heaven and made the going look easy,even the old jardine crossing was no drama with a bit of simple prep the water was at the top of the mudguards .
Doug

