Wow, that's awesome. You deserve a big YOU ****!...like found in a parking lot at Wal-Mart
Chevy straight 6 used to use a slotted screw for the oil pan. No filter, used to have to drop the pan for servicing. Socket would self align on screw head preventing headaches and strong words!
jerry
I'm not familiar with that...but I haven't wrenched much in a long time. Just curious.