Finally got all the extra ethanol out of the tank so I could start working on true ACN91 tuning and it's a little depressing. The flex fuel sensor shows 8-9% ethanol which makes sense. But unfortunately that means it's a pretty big step down from the 15-17% reading while at Tony's shop.
Pulling a little more timing resulted in being able to do a relatively clean one gear pull at ~20psi under ideal conditions but as soon as you shift or anything isn't perfect it's knock all over the place. Pulled even more timing, only partly solves the problem. I don't have an EGT gauge but I imagine that's not pretty either. Bottom line, for a true daily driver under all conditions tune I don't think 20psi is compatible with ACN91. So I'll be pulling the boost down and looking for a compromise where I can run at least 6-7 degrees of advance by redline and at least 5 degrees at 5k. I'm guessing it will be somewhere between 16-18psi. I'm also guessing it will end up being about 400whp through the stock downpipes. Such is the life of a daily driver 3.0 liter.
Pulling a little more timing resulted in being able to do a relatively clean one gear pull at ~20psi under ideal conditions but as soon as you shift or anything isn't perfect it's knock all over the place. Pulled even more timing, only partly solves the problem. I don't have an EGT gauge but I imagine that's not pretty either. Bottom line, for a true daily driver under all conditions tune I don't think 20psi is compatible with ACN91. So I'll be pulling the boost down and looking for a compromise where I can run at least 6-7 degrees of advance by redline and at least 5 degrees at 5k. I'm guessing it will be somewhere between 16-18psi. I'm also guessing it will end up being about 400whp through the stock downpipes. Such is the life of a daily driver 3.0 liter.
