In 1948 Roy Cox was approached by the Cameron Brothers , model engine makers , who had built some engine packages specifically for Cox 's Champion race car .
The cars became very popular and at one time Cox was producing over 1500 cars per day .
In 1948 Cox   was approached by the Cameron Brothers , model engine makers , who had built some engine packages specifically for Cox 's Champion race car .
The cars became very popular and at one time Cox was producing over 1500 cars per day .