I agree with those above who say "if it ain't broke....etc". But if you'd like to try something else, I like the Vandersteen formulae which is an "odd dimensions" placement.
Measure the rooms length and width in inches, then divide these measurements by 1/3, 1/5, 1/7, 1/9 etc. Put the speaker center at one of these distances from the long and short walls. Of course the 1/3 line puts your speakers well out into the room, and this is often not acceptable for various reasons. But, I was able to use the 1/5 line which put the speakers about 54" from the back wall of my 14 X 22' room (speakers on short wall).
If you have your speakers placed on the 27' wall, this formula would have them 36" from the back wall using the 1/5 placement, 1/5 X 180" = 36". Interestingly, the 1/7 line, which in your case is 25.7" from the back wall is almost identical to your present placement of 26" out. Happy Tweaking. Craig
Measure the rooms length and width in inches, then divide these measurements by 1/3, 1/5, 1/7, 1/9 etc. Put the speaker center at one of these distances from the long and short walls. Of course the 1/3 line puts your speakers well out into the room, and this is often not acceptable for various reasons. But, I was able to use the 1/5 line which put the speakers about 54" from the back wall of my 14 X 22' room (speakers on short wall).
If you have your speakers placed on the 27' wall, this formula would have them 36" from the back wall using the 1/5 placement, 1/5 X 180" = 36". Interestingly, the 1/7 line, which in your case is 25.7" from the back wall is almost identical to your present placement of 26" out. Happy Tweaking. Craig