wedge or max wedge

426 wedge block with the following info and wanted to know if this is a wedge block or a max wedge block and whats it worth?
2532230-2
9-22-64

also stamped on it is 426 HD 47

It's not a Max Wedge, a Max Wedge would be stamped MP. A 9-22-64 casting date would be a '65 model year.

It is a 426 Wedge right? What's the casting differences between the 426 Wedge and 426 Max Wedge?

i do believe that the Max Wedges where truck/industrial blocks IIRC.

Werent all Mopar Big Block Engines considered to be "Wedge" Engines?

yup, and small blocks.

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Werent all Mopar Big Block Engines considered to be "Wedge" Engines?

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Only the ones that weren't Hemis.