Its one of those ones where you need to ask the question, is it even worth trying to put a N/a autobox in a 283bhp V? No, its really not worth the time and effort of trying to fit a worse autobox in car which already had too much power for the tubro autobox. And even if it fits and plugs in with no headaches, what if it implodes the first time you put a bit of boost through it? Back to square 1. Saying on here folk use a lot, 'do it once and do it right' If it was my car, 1. Manual convert the fuckin thing 2. Put the proper turbo autobox in, (also do a bit of research into oil coolers too