BIG disclaimer - this
information has been gathered and provided very much by and for a Spider
DIY enthusiast rather than a professional mechanic. I hope it will be of
some use but please don't take it as gospel - if in doubt, please get
help from someone more qualified than me!
Model ID and "helper guides" on
ignition, valves, tuning and alternators
at Bruce's Parts Bin
General 124 engines and tuning info at
carsfromitaly.com North American
Model ID at
mirafiori.com