hello all new to the forum hope someone can get me on the right track so heres my setup
2021 ss 1le btr220 cam, ls7 lifters ,btr spring kit ,msd atomic intake,1 7/8 LTH,3"catless ss exhaust,k&n blackhawk cai,msd 2 step
the car fires rite up and idles good at 750 rpm but from idle to about 2000 rpm it wants to slightly stumple before running smoothunless even if i ease into it
i have the mpvi3 and an aem wide band afr is spot on at wot
any guidance wuold be great thank you