B3422W5...LOL, it's a shame my "spare" aluminum block was right beside these cranks and melted! laugh

DVW...possibly from a battery tender that was on a lawnmower.

Gearhead...you're probably right. Cost prohibitive.

CHIP
'70 hemicuda, 575" Hemi, 727, Dana 60
'69 road runner, 440-6, 18 spline 4 speed, Dana 60
'71 Demon, 340, low gear 904, 8.75
'73 Chrysler New Yorker, 440, 727, 8.75
'90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt
'06 GMC 2500HD LBZ Duramax