Glidden Arrow

I wonder if that’s a Glidden block? Everything I have always read said he cut out the 59 degree lifter bores and welded them back in at 48 degrees.
I thought I knew about mopars and now I'm starting to realize I need to give the small blocks alot more attention. That's badass, If he did modify the block and lifter bores to put them at a better angle... well that's my kinda hero