I am just messing around with my Athearn F7’s and since I put close coupler conversions on them they look much better.
I decided to experiment with creating my own diaphrams and found that Woodland Scenics HO foam roadbed is exactly the right thickness to put in between the locos. (1 piece on each)
Doesn’t look too bad, and works good on 18 & 22 inch radius. However, I can’t seem to find clear photos that show what color these were on UP and SF locos.
Any help appreciated. (Also posted in General Discussion Forum)