Hi all, im after abit of info about my car which is a w reg focus 2ltr blacktop iv also got a 53 plate st170 which has been written off but the engine and box are fine so I took it all out and scraped the shell so now have an st170 engine and box with 6speed changer sitting in my shed with only 92k on it. Can I fit this engine into my mk1 or is it hassel?