you may have to sign up too view.. but there is a lad on 16valver fitting a mrk1v6 engine into a mrk1 clio
http://www.clio16valver.circlehosting.net/forum/viewtopic.php?t=1883&highlight=
http://www.clio16valver.circlehosting.net/forum/viewtopic.php?t=1883&highlight=