Clear up something in the original trans-am cars?

Clear up something in the original trans-am cars?

And actually, the "original" Mopar Trans-Am cars ran 273s...
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OIP.-HOV6tErDNA7eNO8imLqUgHaF5?w=210&h=180&c=7&r=0&o=5&dpr=1.1&pid=1.jpg

OIP.oavCUUVJwJAJQhOlzpOabgHaE7?w=252&h=180&c=7&r=0&o=5&dpr=1.1&pid=1.jpg

OIP.o6U72MiftvIswhOT7_UF9AHaE6?w=228&h=180&c=7&r=0&o=5&dpr=1.1&pid=1.jpg

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