dunno what size rims u were looking at but here is a common 5 stud with big brakes
http://www.hoppers.com.au/complete%2.../page_023.html
290mm KIT TO SUIT CORTINA MK 1&2
FORD ESCORT AND CAPRI
Included in Kit:
Pair 290 mm Disc Rotors and Pair Twin Piston Calipers
Set Semi – Metallic Brake Pads
Pair Conversion hubs made from K1045 Billet steel fitted with
bearing cups and wheel studs
Pair custom Brake Hoses and copper washers
Full Fitting Instructions
You need to have at least 15" rims to fit this conversion and you must fit
a 1" bore Master cylinder to obtain the best pedal feel.
Please consult us for advice for your application.
Priced from $1200 in Ford Pattern (5 Stud) 4 STUD ADD $50