273 Engine year Car 1967 Plymouth Barracuda

There are some numbers stamped on the front of the block just below the driver side head like C273 and a number?
What is the scheduled build date on the data tag on the car?


Alan
numbers on engine block.jpg
There are some numbers stamped on the front of the block just below the driver side head like C273 and a number?
What is the scheduled build date on the data tag on the car?


Alan
There is a 273 before these numbers. Also where do i find the schedule build date on data tag . You talking about fender tag