That is probably on of the best finds of all time Sapper

I wouldn't suggest flogging off the tornado - you have a good running long shaft PT with a fully known history that has been looked after. Run the deck into the ground, keep wheels, catcher flap, engine, blade disc, handles and axles (if not rusty)

God forbid anything happened to you Mustang engine, you have a direct replacement, plus enough interchangeable spares