also be cautious. I also in the past did a conversion into a suzuki mightyboy and went from 0.5l 4spd to 0.6l 5spd dohc turbo, and other people had done it, and asked the right people before, and afterwards, engineers wanted me to change a million things, so in the end i got the ****s and the car was still registered, so i didnt worry about it and just took it to the ''right'' people for rego checks, and it worked out