Please don't shoot the messenger! 
For whoever is interested, here are the SCOREs for the simulations that were requested by bjanalyst. The reason it took so long is that I made an error when configuring the indices. The initial results didn't look right and it took a bit of trial an error to track it down at a time when this was not my top priority.
In the table below:
- HiLo+7m9c-b refers to using the 7m9c side count for betting decisions only. HiLo and HiLo indices were used for playing decisions.
- HiLo+7m9c-p refers to using the 7m9c side count for playing decisions only (the 6 indices proposed in the previous thread). HiLo and HiLo indices were used for all other playing decisions.
- HiLo+7m9c-b-p refers to using the 7m9c side count both for betting and for the 6 playing decisions playing decisions. HiLo and HiLo indices were used for all other playing decisions.
It can be seen that the use of 7m9c to supplement HiLo does offer about a 3%-5% improvement for both betting and playing decisions and about a 7%-10% improvement when using it for both, depending on the scenario. It does not approach the performance of HiOpt II+ASC, but bjanalyst has already conceded that in the original thread.
Code:
SCORE Comparison
Rules: 6 Decks, 52 Cards Cut Off, S17, BJ 3/2, DOA, DAS, LS, SPL3, SA1, PEEK
Counting System: HiLo
True Count Conversion Options
Deck Estimation: round to nearest 0.50 decks
True Count Conversion: floor to nearest 1.00
Index Strategy: HiLo 1994
Index Strategy: HiLo + 7m9c
Index Strategy: HiOpt II + ASC
Scenario System Source SCORE Delta
---------------------------------------------------------------
Play-All 1-8
HiLo Full Indices Gronbog 40.09
HiLo+7m9c-p Gronbog 42.34 5.61%
HiLo+7m9c-b Gronbog 42.44 0.24%
HiLo+7m9c-b-p Gronbog 44.24 4.24%
HiOpt II + ASC Gronbog 52.47 18.60%
Play-All 1-10
HiLo Full Indices Gronbog 46.70
HiLo+7m9c-p Gronbog 49.10 5.14%
HiLo+7m9c-b Gronbog 49.36 0.53%
HiLo+7m9c-b-p Gronbog 51.36 4.05%
HiOpt II + ASC Gronbog 59.63 16.10%
Play-All 1-12
HiLo Full Indices Gronbog 51.64
HiLo+7m9c-p Gronbog 54.16 4.88%
HiLo+7m9c-b Gronbog 54.58 0.78%
HiLo+7m9c-b-p Gronbog 56.71 3.90%
HiOpt II + ASC Gronbog 64.94 14.51%
Back-Count 1-1
HiLo Full Indices Gronbog 65.56
HiLo+7m9c-p Gronbog 67.90 3.57%
HiLo+7m9c-b Gronbog 68.77 1.28%
HiLo+7m9c-b-p Gronbog 71.13 3.43%
HiOpt II + ASC Gronbog 75.42 6.03%
Back-Count 1-2
HiLo Full Indices Gronbog 78.24
HiLo+7m9c-p Gronbog 81.04 3.58%
HiLo+7m9c-b Gronbog 82.30 1.55%
HiLo+7m9c-b-p Gronbog 84.91 3.17%
HiOpt II + ASC Gronbog 90.82 6.96%
Back-Count 1-4
HiLo Full Indices Gronbog 86.06
HiLo+7m9c-p Gronbog 88.89 3.29%
HiLo+7m9c-b Gronbog 90.48 1.79%
HiLo+7m9c-b-p Gronbog 93.19 3.00%
HiOpt II + ASC Gronbog 98.80 6.02%
Back-Count 1-8
HiLo Full Indices Gronbog 88.18
HiLo+7m9c-p Gronbog 91.05 3.25%
HiLo+7m9c-b Gronbog 92.88 2.01%
HiLo+7m9c-b-p Gronbog 95.66 2.99%
HiOpt II + ASC Gronbog 102.08 6.71%
Back-Count 1-12
HiLo Full Indices Gronbog 89.40
HiLo+7m9c-p Gronbog 92.28 3.22%
HiLo+7m9c-b Gronbog 94.25 2.13%
HiLo+7m9c-b-p Gronbog 97.02 2.94%
HiOpt II + ASC Gronbog 102.94 6.10%
Unrestricted
HiLo Full Indices Gronbog 90.01
HiLo+7m9c-p Gronbog 92.86 3.17%
HiLo+7m9c-b Gronbog 94.90 2.20%
HiLo+7m9c-b-p Gronbog 97.63 2.88%
HiOpt II + ASC Gronbog 103.25 5.76%
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