Alright so I don't understand this but maybe somebody else can help me shed some light on this..
I went to the Dyno again on Friday night and ran 353 HP- However at WOT I was only at 13 degrees timing. I was told by Brenspeed that it should be running 16 degrees timing...
This is the e-mail that he sent me??

The 13 deg timing is probably what is degrading your dyno numbers at this
point. We typically command 16 deg and allow the car to add if it wants to. Air temperatures in the 125 is fairly typical but not ideal. There are no
more adjustments that can be made to the tune to help compensate for these numbers. Unless there is another variable that we are not aware of I would say these are your numbers. I would not put allot of stock just in dyno numbers. The 11.0 AF ratio could be because it is not running the necessary timing to burn the fuel we are commanding. I can not pull anymore fuel from the combination because if it decides to run more timing you may get into a detonation or lean condition. We have seen this package put down 375-400 rwhp in ideal conditions so to be honest a 353 is only off by a small percentage. Without having a true before and after dyno comparison it is hard to eliminate all the variables within this combination or install. We have sold, tuned, and installed 30-40 of these V3 systems over the past year and although your numbers are a little bit lower than the normal, I still would not put all your faith in the dyno numbers.
I went to the Dyno again on Friday night and ran 353 HP- However at WOT I was only at 13 degrees timing. I was told by Brenspeed that it should be running 16 degrees timing...
This is the e-mail that he sent me??
The 13 deg timing is probably what is degrading your dyno numbers at this
point. We typically command 16 deg and allow the car to add if it wants to. Air temperatures in the 125 is fairly typical but not ideal. There are no
more adjustments that can be made to the tune to help compensate for these numbers. Unless there is another variable that we are not aware of I would say these are your numbers. I would not put allot of stock just in dyno numbers. The 11.0 AF ratio could be because it is not running the necessary timing to burn the fuel we are commanding. I can not pull anymore fuel from the combination because if it decides to run more timing you may get into a detonation or lean condition. We have seen this package put down 375-400 rwhp in ideal conditions so to be honest a 353 is only off by a small percentage. Without having a true before and after dyno comparison it is hard to eliminate all the variables within this combination or install. We have sold, tuned, and installed 30-40 of these V3 systems over the past year and although your numbers are a little bit lower than the normal, I still would not put all your faith in the dyno numbers.