And for the sake of completeness, today I’m rebuilding a later 5 speed that DOES have the reverse lockout switch access, so I took a few pictures to show how to get that shift rod pin out.
No trick necessary, just take the reverse lockout (don’t break a bolt like I did, grr….), position the lock pin so you can see it and get a straight shot at it through that hole, get your air chisel out, put the nut back on the bolt (about 2/3rds of the nut thickness) so the tip of the air chisel has a place to set, then pull the trigger for maybe 1/2 a second. Boom it’s out.
Remember you can’t put the reverse lockout thingy in the wrong way, the holes are offset.
Another detail, the o-ring on the reverse lockout thingy, and on the end of the shift rod, and the one on the outside of the speedo cable drive cog are all the same.