Danny Popp's Corvette.

Monroe Special 1920.

Indy 1928.

Miller?

1953 Indy race.

Race may be earlier.  Card is postmarked 1953.

Some of Mark Donahue's rides.

The awesome Porsche 917 10. Next is the turbo charged Offenhauser McLaren he won Indy with. Last is the AMC Matador he raced at Daytona. The Porsche made 850hp from 5 liters. The next evolution called 917 30 could make up to 1400hp depending on boost level.

Start of Indy race in the late 40s.

Post marked on back 1948.

Mechanical porn from Ford.

1965 Ford double overhead cam V-8 Indy car engine. The engine Jim Clark used in his Lotus.

Junior specials.

One-off engines and Miller chassis. Built by a Kansas oil baron.

1931 Miller.

Early post cards from races at Indianapolis and Syracuse.

Center image is 1937 with the La Salle pace car.

Early Indianapolis race.

Early views of Indianapolis track.

1925 Duesenburg.

Miller.

Duesenburg racer.

The car has a front plate but, no lights. Was this car driven on the street? Odd...