Ehh, if these are Bosch Super Plus (seem to be from my pics) then maybe they're not even the right sparks.
http://www.bosch.com.au/content/language1/html/5678.htm
"For vehicles built from 1955 - 1995"
Here's a vid of the engine starting:
http://www.youtube.com/watch?v=Ie7uVKxONKs