For the full document click the link below:-
Just noticed that item 9 on the pic refers to the rarer AUD616 model that provides advance vac to the distributor rather than the inlet manifold take off.
information about the MGB and MGB GT classic cars including news and reviews, techs and specs – also updates on repairs, servicing and diy modifications I do on my own MGB Roadster
MGB tips mods and maintenance 