![](https://forum.garysgaragemahal.com/file/n65185/SWFZ6357.jpg)
Pulled the plugs and cranked the engine over by hand. Moved nice and smoothly. Added some Marvel Mystery Oil into the crankcase and some PB Blaster into each cylinder and gave it a week to be mysterious before blasting it back to life.
I'm not sponsored by Permatex, but the anti-seize worked! All spark plugs came out without any hassle. And, I am sure they had been there for a decade and maybe even 15 years.
![](https://forum.garysgaragemahal.com/file/n65185/IMG_6374.jpg)
Proof it moved under its own power!
Does anyone know what the little hash marks adjacent to the 10, 15, 35, 45, 72ish, and 77ish are supposed to represent?
1984 F-150 2wd short bed with 4.9L, 4 speed overdrive manual transmission, and 3.08 rear end (18) switched to the 3.55 limited slip (H9).