It appears you are on the money. I followed your advice and dropped the timing, left the boost where it was (although it was colder so it looked more like 28-29psi), and slightly leaned out the A/F. Made 4 pulls, quickly checking for coolant level change in between each, and it looked good. Temperature was solid at 170-180. Power dropped about 10-20 according to VD, however load reached a new high of 300-310. It was 280 before. Not sure what to make of that.Oops, missed that he posted a timing map. I'd take a lot out everywhere for 16gs. I'd be around 8-10* at peak tq. 13-15* up top depending on how the car reacts and how much boost. Run more boost, less timing, more ethanol. You'll make a ton of power. If you run out of turbo and going max effort, then make dyno pulls, virtual dyno or track passes, adding timing above 6k to see if it picks up power or mph. Above 30psi, I'd start at 8* and 13* up top and go from there.
Point of reference, MBT on a single turbo car I tuned was ~13* up top. More timing picked up very little HP. Td05's may need a bit more to reach MBT, but I wouldn't start there when you have so much boost left on the table.
12* was about MBT up top on my LS at 20psi. I run 9* at peak tq.
A lot of 4G cars are 10-13* up top.
all ethanol examples
and give or take. some cars may want more fuel and can take more timing. Some less and less. etc. c16 cars and will be different
td04 cars will also be different
New timing map and VD: