I´m Pedro from Portugal.
My Beetle is a 1200 Std from 74. I will try to give all the information i can

Engine:
1915 cc Wbx (Watercooled) with 9:1 CR with lightned/balanced crank(69mm) , rods,pistons and flywheel(230mm)
Cromoly push rods
Twin Dellortos (40mm)
Engle 130
HD Double spring valves(42x38)
Polished and enlarged heads.
Original box 8x35
Exhaust:
Merged 4x1 5/3.8 with homemade final exhaust
Interior:
Porsche 944 seats
VDO´s
Empi shifter
Tacho Auto meter
Sport steering wheel
Wheels:
Original enlarged:
Back :7j with 195/55/15
Front: 5,5j with 185/55/15
Original Discs/Drums ion the back all around with goodridge brake lines