Hey,
My mate is chassing a r200 longnose dif for his ca18 datto 1600. Supposedly they came in import r31's and dr30's. Located in Brissy. He is chassing a 3.9 - 4.3 ratio - higher the better.
Anyone looking to get rid of one, let me know and i'll pass it on to my mate.
Cheers, plohl