thats a great looking graph 68HTA even with the 10cm hotside..and on 92 oct
I think you should consider selling the 725cc injectors for 1000cc or even 1300cc and go with E85 if its in your area. That will be a easy way to see further power while running a bit safer fuel for making power with.
Do you have a Wideband in your car? you should get one since your 725cc can be pushed to their limit easy on a cold day where your boost might spike