Ex850R;c-138604 wrotejamesinc;c-138587 wroteI had a mobile thread guy drill mine out, had it tapped for 3/4" NPT, worked fine
I've never seen this service. What did it cost?
No idea it was years ago. $100 or so. I had the motor out of the car at the time, with the pan removed, otherwise you'll never get all the swarf out.