 James Ward Packard introduced many advances to the internal combustion engine, including the first automatic spark timing advance, allowing an engine to produce more power at higher RPM's and still in use today.One of the most famous fighter aircraft of all time, the P-51 Mustang was the key to gaining air supremacy over Europe in World War II, tripling the kill ratio over Luftwaffe fighters within 3 weeks of its introduction to combat.Initially underpowered with an Allison engine, it rapidly achieved dominance when powered by the Packard Packard V-1650 engine made under license from Rolls Royce.