you can, fit a new clutch kit to match the box (8v or 16v gti) and fit your old flywheel. unless its not a 1.8, if so you'll need a 210mm flywheel to fit over the gti clutch.
can use the hydro box if you like, means fitting cable shifter plus a SEAT abf/tdi hydro->cable clutch kit, plenty info on that.
i can help you with the loom if you want to go ke-jet
