hi everyone, just thinking of upgrading my brakes of my 1989 mk2 orion with rs engine. Gona purchase 2nd hand stuff off of ebay but not exactly sure whats needed. am i correct in thinking i need 4wd sapphire cosworth front calipers 4 pots, and sapphire coswort 2wd discs? what about brake pad types would i need 4x4 4pot ones. any help much appreciated thanks. had a look at rsbible but still a bit unsure, thanks - paul