The atlas was fitted to Capris... depending on which model capri there are different widths.. 48" is a baby atlas, 50" on a mk1 i think and 52" on mk2/3. 52" is the right width for a mk1/2 escoprt with arches. if you get one off a 2.8i special or a brooklands 280 they come with an LSD in them, but it's probably going to be pretty knackered by now. i think the baby axles are specially made rather than standard equipment on anything. 48" is the size you want for an unarched escort

I'm not sure if they were fitted to anything else... definitely not mk1/2 escorts as they all came with the weak English axle. There's another type of axle which looks similar to an atlas (i.e. removal back cover etc) but is actually an English one as well. The was to tell them apart is that the bolt pattern if slightly different. One of them has them offset form the centre but I can't rememebr which and my axle is at retromotorsport so I can't check i'm afraid!

if you get on to Fostek engineering... www.fostek.co.uk they'll be able to help you out if you need one!

Hope that's been of some help!!!