I didn't unbolt with the torque wrench. That'd screw it up pretty fast. I used the torque wrench to apply ever-so-slightly more torque. I noted where I felt the bolt move (120 lb-ft). Then I removed the bolt using a much stronger breaker bar. and re-torqued the bolts to bit below the initial torque setting (~110 lb-ft).

I realize that unlike an aluminum B230 head, the B18 is almost bullet-proof, but if spec is really 61-69 lb-ft, then these bolts were way over-torqued.
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1967 P220 (My every-other-daily driver...), 1971 P1800 (The Parts Car), 1972 145S (1993-1997), 1977 245 DL (1993-1999), 1983 245 (1998-2001), 1986 745 GLE (1997-2005), 1990 745 GL (2003-4), 1995 945 (2005-Present)....