Agree with the above. Totally changes the VR6. Don't worry about your first 2 questions, they will be the last thing on your mind when you drive it. I'm just about get my new gearbox rebuilt with a g60 FD, had one in my last VR's and really miss the punch in the face when you accelerate when I went back to a standard gearbox.. You'll need a bolt fitting kit ideally.. http://www.regal-shop.co.uk/vw/acatalog/Wavetrac_Differentials.html 9th item down. Get new seals / bearings, your looking at about 70 -80 quid for bearings, details as follows; Diff Bearings KLM300849/KLM300811 (You need 2) U