Brian,
Thanks for the input.
I was just re-reading a post of yours talking about "jet-hot"
and that was what I was thinking of--not "hot tank"
Others have suggested carb cleaner as the solvent..
Looks like some elbow grease time.

Jeff

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1984 300SD 300,000 miles--two tank WVO setup
2.88 diff & 500SEL anti-squat rear end