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Easy v if you adjist the launch afr from 9.5 be very carefull to check your open loop afr under wide open throttle. I adjusted that parameter a couple of years ago and it appears their was bug in racerom caused my car to run very lean like 15 afr during wot. Luckly i was NA and on e85 so fair margin for error.
Notice your turbo, ecutek may have fixed it i think it was racerom 8 .
That parameter sgould have only effected launch afr but i confirmed it messed up y full throttle afr
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