Cheers for the comments
Things are moving a bit slower than anticipated as had to fit a new gearbox and a few other bits into my mates mk2, but finally got a day on the Jetta
Plan is to strip it out then add;
Gti interior
Black carpets
Front electric windows
Remote central locking
Mk3 fuel tank and wiring
Refurbed rear beam with poly bushes from other Jetta
New brake lines
Replace n/s rear plastic arch as it is scuffed
Weld necessary areas
Few pics of progress;
Nice tidy rear panel
But a little rot where the boot seal join is
Inside of car was pretty grubby so going to get a good clean;
Rear o/s arch needs a little bit of attention;
And then there's the usual spot where the fuel tank bolts in
All this work means I can get the G60 engine ready and hopefully drop it in quite quickly - this is my daily so have to plan its garage time.