The "facelift" features were available with all three engine configurations.
Manufacturers were also permitted to employ their choice of engine configuration.
Several car makers followed the now uncommon rear engine configuration at the time and were quite successful.
Many modern front wheel drive vehicles use this engine mounting configuration.
This engine configuration was chosen because of size, parts commonality, and power range issues.
It is the second most common engine configuration in modern cars after the inline four.
It established the across-the-frame-four engine configuration as a design with huge potential for power and performance.
For the first flight with this engine configuration on 7 July 1955.
There are power sources aboard that seem independent of engine configuration, however.
They are a common engine configuration in the highest levels of auto racing.