If you dig around on Bosch's site you could probably find more info than you need.
BoschUSA Part Finder

I also found this Replacement Modules Looks like they make solid state replacement modules for the Bosch ones. (I never knew such a thing existed) They cross reference the bosch modules. They use 1 module as a replacement for most of the Volvo applications.

My electronic dizzy is a vaccuum retard unit. I left it disconnected. The cap and rotor shouldn't be too hard too locate. I've picked them up at the local chain stores. I'm currently running a Wells cap and rotor, and also have a BWD set. I can list some #s I've used later.

I'm not sure what timing will work for you. This article by Gordan Jennings, Cycle Magazine, October 1977 How to read your Plugs has some really good information on plugs and timing. Might be overkill. So far i set it, drive, change it, repeat as many times slowly advancing until it just starts to ping when bogged down in fourth uphill. Then back it off a degree or two.

curtis m. white
http://thirdchoice.com