Loki

iTrader: (1)

Yeah this is a tricky one. Will be a learning moment when we figure it out. To be fair, nobody anywhere drives rotaries You're lucky to be next to Racing Beat, could be a resource of expertise or parts. I'm not even sure how they survive.

25BAHIAMAN

YEAH, I think most of their sales are with Miata parts lol.
I found a thread almost identical to mine but of course no end result. I find a lot of threads here on this website where people don't come back and tell what the fix was. Very frustrating.
Heres the link https://www.rx8club.com/new-member-f...ed-afr-266686/
I was also thinking it may be due to the Racing Beat flash tune. Before I had the porting done I had the REv 1 tune, now after the rebuild and streetport I had the REV 3 flash tune installed. Ever since then I have been having these issues but its hard to say because I had the engine all apart and made many changes. But one thing that I find is that at WOT it doesn't seem like the ECU is making changes for lean condition. Command lambda seems to be stuck at .988-1.0lambda. If the ECU sees lean condition at WOT then why isn't it adding fuel? Unless RB software is designed to run that lean? I doubt it as they are pretty conservative.