Slant 6 Block Crack

If it were Farmer Johns combine, he'd JB weld it. That's not even a stress point for the alternator bracket as it wants to pull the bracket closer not farther under belt load. I bet the rear and top alternator bolt fell out or loosened up enough for the mount to **** toward the radiator, taking the corner of the block with it. If blocks are abundant, get another. If they are not, that is runnable. If its not an A/C car, run the alternator on the driver ala A-100 or 1960 generator style and forget that mount point, Goop up a stud and run it in hand tight and forget about it. @RustyRatRod I agree on your assumption after I wrote this I saw yours. Only way there could be stress on that bolt in that direction.
slant-six.jpg