Sorry guys about adding quite a few posts for only joining yesterday but this is such a great forum and I have a lot of questions to ask.

This one has probably been asked before but in case not here we go. Right I need to know some things about the MK4 Escort XR3i and the MK4 Escort Series 2 RS Turbo. We all know some guys buy a XR3i and then change it into a RS Turbo. Are there things on a genuine RS Turbo that no matter how good you change a XR3i into a RS Turbo is there something on a real RS Turbo that you cant put or make on a XR3i?? Or is it the case that you can buy all the stuff for the RS Turbo and fit on a XR3i and you wont be able to know any differences between the XR3i and a genuine RS Turbo??