Originally Posted by
Marc sierra
The rear hubs will be from a non-cosworth Sierra or Granada. They use 253 mm diameter discs in stead of 273 mm, so you're right that the pointing points for the caliper are 10 mm too far inwards. Those cars also use the same calipers as the 2wd cosworth (solid discs).
Thanks for confirming, I thought the 300 mm discs looked monster next to the standard ones. It is a mystery why they are on there but I suppose in 1990 the Cossie parts were hard to source?