Did you get the new ignition switch and lock yet? Just wondering how things are progressing.

A few tips, while they are fresh in my mind. I used a jeweler's flat head screwdriver and GENTLY tapped it with a small ball-peen hammer to get the lock collar off. Made of hardened steel, it was the only thing I had at hand that would fit in the hole and be sturdy enough. I also soaked my ignition lock cylinder in ATF while working the key though it to clean out the 32 years of dirt and grime. Blow out the cylinder of excess ATF with light shop air. Be careful not to use too much pressure and blow out the tumbler pins.

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1991 F250 super-cab 7.3 IDI. (rebuilt by me) Banks Sidewinder turbo, hydroboost brakes, new IP and injectors.
2003 S430 - 107K
1983 300SD - Tanoshii - mostly restored ~400K+.
1983 300SD - Good interior. Engine finally tamed ~250K.
Monark Nozzle Install Video - http://tinyurl.com/ptd2tge