A compression tester is on order and should be here in a few days. I got the injector type because the glow plug adapter was ridiculously backordered. Anything I should look out for that I don't break anything? The manual calls for a sealing ring to be replaced with a new one when re-installing the injectors. Is this something I can get away with if I don't do it and perhaps do it once it runs again or am I asking for trouble?

More to come on this one hopefully by the weekend.

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84 300SD with Greasecar vegetable oil kit. Boston, MA