Turns over with fuel it'll start.

However, without glowplugs it won't unless really warm, especially with less than new compression, and by now you've washed the cylinder walls pretty well and aren't using engine oil to improve cranking compression. Also, plug it in, warm oil and faster cranking will greatly improve your chances. If it has the rear pump, you can also pull-start it (check your manual, don't know when this ended).

Sounds like you just need new glowplugs.

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Gone to the dark side

- Jeff