you could do the above and get an uncle bens ...or like me and mike said have one of the very few r32`d mk3s around and still get that great sound u can only get from a VW VR6 ....
well your lookin form roughly £1000 up to well wot eva u want to spend. no doubt jim potter will answer shortly as he built a turbod vr for £1000 .... check out his thread in the projects section mate very help full
quaiffe will be more been looking for a diff my self mate make sure u get a full kit inc bearings and bolt kit as u can no longer get a botl kit seperate as i found out ....