http://www.howstuffworks.com/ignition-system.htm
http://www.rustpuppy.org/ignition2/Ignition%202b.htm
http://www.boyleworks.com/ta400/psp/distcurve.html
http://www.vintageperformance.com/retrorockets/hei1.htm
http://www.performancedistributors.com/technical.htm
http://www.centuryperformance.com/se...ts-spg-90.html
http://www.sdsefi.com/techcomb.htm
http://www.circletrack.com/howto/184...nce/index.html
http://www.2quicknovas.com/happytiming.html