Need Quick Fuel carb tuning assistance

Put the #70 jets back in ( surging went away) the primary’s and at 3000 rpm in high gear I am around 12.5 ratio. It did not like the #68 jet in the primary’s.
I also went from #76 to #78 jet in the rear and the AFR is now at 12.8 ish at 5000 rpm. Should I leave it there or rejet the PVCR and fatten it up more. More jet? Engine makes full power at 5700 rpm.