[radz28]

I might be making slow progress with the tuning, too. I've only got a single WOT hit so far, though, so I'm not making this an official update. I have some fuel pressure and knock stuff I'm trying to break down, too, but the way the E92 is behaving and the REFLEX supplementing, seems promising.

After getting some guidance, based off my input (whether my input was right or wrong is yet to be determined...), but it is my understanding that I may be close to where I want to be on 91 (E10) only. I've been saying I'm targeting 5.0ms for the DI, and I'm only at 4.0ms right now. It sounds like once I'm running full pump E', that my IPW will likely shoot to about 5-or-so, so it seems like I should keep it here. With only updating [33355], and leaving my E92 MAF and even PE where I had it set before, it seems that there is a fairly good chance I might not have to manipulate much. I have been pulling fueling from the REFLEX MAF (because I had all of it's PE-related settings pretty much matching the E92 PE stuff) only, and it seems to be following what I'm trying to do. I expect to be within a few percent of my commanded EQ the next time I can make some hits (almost a week of rain in the forecast at the moment...), and that's encouraging. But - I'm not certain my other little issues are related or not.

With the DSX low side, I'm seeing a big spike in fuel pressure when the pump turns on at 3-psi of boost. No biggie, but I want to try to smooth that out some, because then it seems like the OEM low side drops pressure, and then the whole low side falls. So it spikes to about 81-psi for a moment, and then if falls to about 60, and ramps back up to about 70-plus, and hangs out there, for most of the rest of the hit, BUT DOES fall slightly to about 65-psi; and creeps back up the last few hundred RPMs to about 70. I know - a lot, and probably not anything new. So - I'm trying to figure out how to minimize the spike-drop and smooth it to maintain 72-75-psi for the whole thing. I'm not sure how this might impact the E' side, so I'm a little concerned, and maybe for no reason, as, after all - I have PI for helping. I could be lost in my thoughts, so sorry.

And - I'm fighting a little knock retard. I AM on 91, and it's not a whole lot. This sounds strange, but about half the fuel in the tank is probably a few months old, and the other half is from the pump a few weeks ago. So there's that. My fueling doesn't go lean, and I'm not sure it's so rich that it's knocking from too much fuel, but my EOI is about 200* and SOI about 360, so I think it's more low-octane related, as far as I can understand. So - it may have NOTHING to do with this little exercise.

So - as always - comments and even help is welcome. You all know I'm no expert or anything close. I've learned a lot from many of you. My research continues, and I hope to report back with some more concrete information when the weather improves.