re: SEC total touchdowns scored to touchdowns allowed per top 8 teams

TEAM - OFF TDs Given Up - Tot TDS Given Up
Alabama - 16 - 17
Florida - 26 - 27
South Carolina - 29 - 29
LSU - 28 - 30
Missouri - 34 - 35
Mississippi St. - 34 - 35
Ole Miss - 35 - 36
Auburn - 35 - 37
Vanderbilt - 34 - 37
Georgia - 40 - 44
Tennessee - 43 - 46
Arkansas - 46 - 49
Kentucky - 48 - 49
Texas A&M - 48 - 49

Source Data

Which says a couple of things:
Total TD's isn't a good predictor of record, obviously.

If you look at (TD's for)/(TD's for and against):

Alabama 78.2%
LSU 66.3%
Mizzou 65.3%
Auburn 65.1%
South Carolina 64.2%
Texas A&M 59.2%
Georgia 56.4%
Ole Miss 56.1%

Which is a somewhat better indicator. Add in God being on Auburn's side to throw everything off, and you have a good prediction method:
1. Is God obviously on your side? If yes, skip #2 unless there's a tie.
2. Total TD's/(Total TD's + TD's allowed)