My Fairmont Squire's new engine is a reputably-rebuilt 1978 Farimont 200 CID engine, using a stock Ford Electronic Duraspark distributor and ignition module. I first learned about this low-cost change of distributor springs here:
http://www.classicinlines.com/DSII_swap.asp#DSIIgas
And then found a good pictorial DIY procedure here:
http://www.carbdford.com/viewtopic.php?t=5543
and here (theory and application of ignition timing):
http://www.fordmuscle.com/archives/2...ng/index.shtml
and where to buy the spring kit:
http://www.msdignition.com/dist_69.htm
And my next trick? is an old proven one, for warm weather driving:
Water injection (rain water):
http://journeytoforever.org/biofuel_...earth/me3.html
If I had an EFI (Electronic Fuel Injection) powered stock Fairmont 2.3L V-4, I'd do this with News Print or saw dust and wood chips from our business:
http://journeytoforever.org/biofuel_...earth/me1.html