Upgrading the HO Bachmann old time 4-4-0 Performance

I have a “what I did” about upgrading the performance of the Bachmann HO 1870’s 4-4-0 at:

http://www.pacificcoastairlinerr.com/bachmann_4-4-0/wipers/

Thank you if you visit
Harold

Great use of the kadee springs, that gives me some ideas…