Offenhauser

98 cu. in. in-line 4-cylinder.  This engine dominated midget racing wherever it was allowed to compete in the 1930s – Offenhauser Engineering photo

Evinrude-Elto Outboard

This water-cooled 59.4-cubic-inch 2-cycle rotary valve opposed 4-cylinder engine could put out 85 H.P. at 8,500 r.p.m. on a mixture of 82% methanol, 10% toluene (or Benzol), and 8% caster oil - Al Isselhart photo

Cragar

This in line 4-cyllinder Waukesha industrial engine was fitted with a Cragar head and used in George Wright’s midget for driver Jimmy Wilburn – Motor Racing News

Hercules

In line 4-cyllinder with a “L” head - The Mighty Midgets by Jack C. Fox

Jensen – Healey

Dual overhead cam in line 4-cylinder - The Mighty Midgets by Jack C. Fox

Marmon

Overhead valve in line 4-cylinder that was actually an 8-cylinder Marmon passenger car engine that had been cut in half - The Mighty Midgets by Jack C. Fox

Popp

Overhead valve in line 4-cylinder - The Mighty Midgets by Jack C. Fox