RB Engine ID help needed

We are trying to ID the engine block in my buddy's 1969 Charger.

The numbers on the pad adjacent to the distributor hold down are as follows:

Line 1 - 5T 10 E

Line 2 - 5 28

Any help would be appreciated.

5T IS 1975 440,E is cast crank,5 28 is may 28 assy date.

Thank you Sir!!

Quote:

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We are trying to ID the engine block in my buddy's 1969 Charger.

The numbers on the pad adjacent to the distributor hold down are as follows:

Line 1 - 5T 10 E

Line 2 - 5 28

Any help would be appreciated.

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5 is 1975
T is Trenton Assembly plant

10 ????

E is cast crank

5 28 is May 28 1975 assembly date