early /6 ignition upgrade

im helping a friend upgrade his 170 /6 in a 61 valiant changing his 1brl carb to a 2brl any suggestion for changes that need to be done to his stock ignition dont think he can buy a complete after market electrictronic ignition anybody know how to wire a unit off a newer donor car or anyother modifacations to do to make this /6 perform better he is planning on installing another 170 head i suggested he at least gasket match the ports before valve job is done thanks sandy