Exactly what has changed between the times it started and now not starting?
It is possible that one or more GPs failed during that time. Depends on the temp, but these engines do not like to start with more than 1 or 2 bad GPs.
Did you try cycling the GPs a few times before cranking?
Pretty sure there is some advice in one of these postings here on this forum that gives numbers for testing the GPs. I just tried doing a search and the search function is erroring out on me.
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1985 744 gle d24t
1985 745 gle d24t
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