Some information here: http://www.atsfrr.com/links/atsf/steam.htm, here: http://www.sbrhs.org/, and here: http://www.steamlocomotive.com/hudson/atsf.shtml
And this is the electronics forum. You might get better answers if you post the same question in the Prototype or General Information forums.
i have purchased some older pfm santa fe 2-10-2, 2-8-4 and 4-8-2s and would like to upgrade the detailing. ive cked the web, i cant seem to find and good information on the subject , or drawings. ive even tried the santa fe society -havent become a member- any thoughts on where to find this info and how to buy the book / info when found?