But WLAJ's post repack contour on 14 goes all the way to Royal Oak Township. That's the same township WHNE's tower is in, the tower is only a mile from the contour edge. WLAJ will also be protected in Redford and Romulus. WHNE would be limited to a very directional pattern only covering Macomb County, southeast Oakland County, Essex County, ON, east Downriver, and east Detroit.
As for your original question on CHCH on 14, rabbitears.info doesn't have their post repack contour map on there, but I do know it'll be decreasing to 88 kW. Here is a map of the contours of WLAJ-14, WHNE-20, CHCH-51, and a 77.28 km radius circle (the 41 dBu distance of CHCH on 14 at 88 kW at its current height, assuming nondirectionality) with its center at CHCH's trasmitter site. https://www.rabbitears.info/contour_old ... -81.858056
CHCH 14 would almost be no different from 51. Going as far as New Haven, New Baltimore, Richmond, etc.