racertracer wrote:
Well that definitely wouldn't work, you would need an agitator mounted on a 45 degree to shake the jeep while it's up on the lift to remove all the pieces, otherwise its fruitless.

Civil Engineers have charts showing the angle where material like gravel or grain will pile up and form a sloped mound. Go steeper than the mound and the material will slide. If you don't want to hire or beg a favor from a Civil Engineer. put a round ceramic or soap stone like welders use to mark steel for torch cutting into a hole drilled into aluminum. From there you can derive the angle the hole will need to be to have the broken glow plug to fall out. Not Rocket Science and no shaker required.
Now in case you missed "

" having to remove the glow plugs with the CRD tilted with the right side up at 55 degrees (my estimation based upon the angle of the plates in gravity settlers), strapped down so it does not role over onto you, and having fuel dripping out of the ventilated filler cap unless you empty the tank, would be a major P.I.T.A.
But if you want to do the operation described above, follow all safety protocols and knock your self out.