Last Summer, racer Allan Engel came across a box of pictures that he shot while racing and spectating in US and international races from 1967 to 1976.

We'll be adding to this amazing archive in the coming weeks, but the first five pages of his wonderful and vintage shots are here:

Engel Archive 1

Engel Archive 2

Engel Archive 3

Engel Archive 4

Engel Archive 5