Re: Saw some scott-atwaters on craigslist
coils & condencers points could be a challange & impellers, old cork floats and things like that usally need help. Some old maytag engines tricks work for the wico ignitions, like using a capacitor inplace of a condencer. there are a couple web site's that have info,
http://www.scott-atwater.com/History.htm another for parts one is
http://www.scottatwaterinfo.com/ $$$$ ouch!
I have gained a tribe of Scott Atwaters & Firestones from 1946-1956 and I'm finding it fairly easy to overcome the challanges except thoso darn bail a matics are a PITA and if can't overcome the $$ for impeller's I'm going to learn how to make the darn things myself!, I think the most expensive item so far has been is the rubber water pump Impellers @ $50 homemade, as quoted to me, But I say Go for it... repair & parts information is available.
PS some of the older 3.6 or 3.5 461's had metal impellers, mine are 462 firestone SA's 3.5's and they have Metal impellers