dat111 Posted December 15, 2022 Share Posted December 15, 2022 hey guys, as i do alot of highway kms. wondering if its possible to make my NA+T run slightly leaner at cruise. from it says decrease for leaner < increase for richer. > does anybody have tried numbers to get it run slightly leaner (have tried BF xr6t an FG xr6t, with no change to my AFR on my wideband) 1 Quote Link to comment Share on other sites More sharing options...
Plumbs Posted December 26, 2022 Share Posted December 26, 2022 Hi Mate , I tried this and it worked grate . But I had to adjust the breakpoint by about 20 % . Otherwise it would hold the low slope and cause a lean out and afr warning on my gfb3 controller. Since gone back to stock . Just muck with the o2 offset number in fields that the rpm would be in cruise first . Then do some partial boost pulls with an af gauge and adjust the breakpoint . regards Graham. ps I’ll get to look at your vct overlap . On holidays now so have time ! Quote Link to comment Share on other sites More sharing options...
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