Super Car #2 is alive!!!
Since it was -16C outside - pushed SC#2 in semi heated garage ( 40 F) to sit overnight.
Filled new fuel filter with diesel. Reinstalled Facet electric pump.
Ran blueish\clear 1/4 inch fuel lines ( from local Honda motorcycle dealer) from filter to electric pump to IP. (Duh - should have done it earlier - way easier to see fuel flow vs using black rubber line
)
Watched above fuel line fill with fuel - with electric pump on, then started car. Problem solved!
Although I'm sure which of the above- dirty filter, cool\thicker fuel, or the IP can't suck like it used to......
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that's what she said?? as suggested by Mr. Michael Scott, Regional Manager of the Scranton Branch of Dunder Mifflin
Ran like a trooper, although hard to test any fuel starvation issues, as it is snowing blazes.
Once again, thanks for all the help guys!!
Aivars