i'm runing a +10mil and a super cube 72mm
v-force4 39' pwk's whit powerjets, shearer big bore pipe's, stock cdi
the engine runs good on 30cc dome's on 185 main jets and 50 pillot jets and +4 ignition
whit the 22cc dome's and vp C16 rac e gas i have tried a mani difernet jets betwen 170 and 220 and timing from + 4º to +7º and it's rich and don't pass the low to mid range
anyone have an explication for that?