The mk2 looks in good condition
Please try and keep the original engine, you can modify it to GT spec with a weber carb, hi lift cam, and tube header for small money.
does the engine have any problem?
brakes on these are ok in standard spec, if you want to upgrade use volvo 4 pot calipers.
take off the rear door handles and vinyl roof, respray it and you will have a nice car.
SIDEWAYS!