Converting Broadway Y6b to Y6a ... how easy?

[NW Modeling List]

 Y6 and Y6a both had slant stacks as built. Only the size changed later. The slant stack was necessary to clear the front end throttle.
Jim Nichols
    On Friday, February 7, 2020, 07:56:57 AM CST, NW Modeling List via NW-Modeling-List <nw-modeling-list at nwhs.org> wrote:  
 
  From photos in the NWHS archives data base, it appears that both the Y6 and Y6a were built with a relatively small and likely straight stack.  However, as time passed, both classes received the very large, forward-slanted stack that the Y6b had.  Others will know more about this.

Dave Stephenson

    On Friday, February 7, 2020, 6:47:28 AM EST, NW Modeling List via NW-Modeling-List <nw-modeling-list at nwhs.org> wrote:  
 
  I used the old AHM Y6bs to convert them to the Y4 through Y6a classes. Other than what you have mentioned, you will also have to decide if you want to 
change the smoke stack as it is wrong for the Y6a. The Y6b has a forward slanted smoke stack and the other classes do not.

Kurt Kramke
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