Get your self on www.turbosport.co.uk/index.php Passion ford is'int a very good site for pre mk3 escorts......

No you dont need reverse lights, not untill something like 1980 so your fine.

The best place to get panels that are well priced is from hadrians panels, they are pattern parts and have a massive stock and cheap.
For original quality panels as they use alot of fords old presses then you want expressed panels, expensive tho.