Hello guys im presently looking at upgrading my front brakes and been reading the thread with interrest, ive looked on ebay peugeot 505 gti vented front discs are in abundance priced around £60, some one mentioned machining costs? what machining is required, and what year range rover caliper is needed, also available of ebay, is the bolt pattern the same, is it a case of buy discs have them machined and then a straight fit with any year range rover caliper, rob mentioned brake pads needing fileing down, is this a problem, also im using toyota calipers at the moment on standard discs, ok but showing there age, so would like to upgrade, any information would be appreciated regards heath