71 72 73 year model 455 block - Code YC
With the partial 0 character leading the EUN. " ( "
So it might be the original block , but it is not an SD block.
We can help you determine if it is the original block.
71 400cid heads #96
That's a popular 455 build combo with those heads to bump compression ratio.
Intake is a 1972 model.
Appraiser didn't know his azz from a hole in the ground.
But you have a Very Nice Formula 455 in a great color combo.
The rivets on trim tag are not factory rivets .
By that time in 73 production they were actually using the bolt head screws instead of rivets.
The steering wheel collar looks like a corrugated drain hose was utilized as a sleeve.
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