Here's one solution I found linked below. It's the only thing I've been able to find on the topic so far besides the advice here (for which I'm thankful).

http://www.ask.com/bar?q=how+to+clean+un...m%2Fpage141.htm

You know, after reading what all he went through it almost seems like it would take about as long to scrape it and start over.

1968 Charger 383/2bbl/4spd (1 of 74) 1994 Dakota Sport 3.9L/AT/2WD 2003 Durango SLT 4.7L/AT/4X4 Yes, all Dodges and nothing else