Milodon deep pan

george joseph reid said
........Says it has a 7 3/4 deep sump......

A 402 is slightly above my K bottom. Per the link below it's 4.6" deep. You'll likely be hanging out 2-3/4" - 3" IMO.
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Oil Pan Schematics

A deep 971 here will be similar I expect...……...
FOR SALE - B/RB Moroso 7 qt. Deep Oil Pan & Pick Up Tube

A 854 (6 qt) will cause you to notch out the K...…….
FOR SALE - Hemi Oil Pan w/ Pickup and Stroker Windage Tray

440 Source has a 6 qt 5-1/2" deep ...…….
Big Block A-Body 6 Quart Oil Pan with Tie Rod Relief-440 Source