I have weber 40dcoes on a stock l28. the jets in the carbs are,
idle jet-50f9
main jet-130
air corrector jet-170
emulsion tube-f15
pumpjet-45
needle valve-175
startjet-100f5
chokes-40's
fuel pressure is at 3.2ish psi
I have a carter fuel pump which is about 80gph ( should be enough for these carbs) and a msd coil. and i have a aem Wideband afr gauge, now my problem is, at idle my AFR ( Air fuel ratio) is normal (13-14) and when i give it gas it runs LEAN and sputters and dies. if i adjust the AFR at idle and make it rich ( 10-12) and give it gas it runs decent (12-13) but at idle its pig rich and washing my cylinder walls with fuel. and if i floor it from idle it runs lean and dies. Im thinking i need smaller idle jets? also heres a picture of my fuel setup.