I have a GTiR swap and am using a Z32 MAF. I don't have SAFC. I have a FPR and a A/F guage. I've watched and tuned accordingly and never run lean. It runs great. It makes a noticable increase in top end...5000+.
I've got a Z32 MAF and i just put a FPR on and messed with that and watched my A/F ratio it appears to be running normal. I mean it never goes lean. stays stoich to rich....No JWT ecu, and no SAFC2 ro anything. I've got a GTiR swap so that could be why too....
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