well after doing a 16g install and a ton of other things i am still having the same old problem. get to about 4500 rpm, and the car just dies and pops, and sputters. i have 100% no boost leaks. i had my throttle body rebuilt, the grommets for the injectors replaced, all the piping re done. confirmed it is not leaking with a boost leak tester. stock injectors, 255 walbro, 16g, stock maf. interesting fact. if i hook up my gm maf, and translator which is still wired into the car, it runs fine. idles fine, goes well under wot. however the with the stock maf. now this is my second one. it will not rev, or build boost under wot. well it builds some but not much. if i go half throttle it will respond better. it will do this at idle. not just under load. i got new plug wires, gapped the plugs. checked a ton of sensors, and shit, replaced a bunch. fiacv, iacv. when i put everything back together i suspected boost leak. no boost leak. suspected i didn't set up the tps properly. i have checked it at least ten times, and to the best of my knowledge it is done correctly. (did tons of research online for the correct steps) no vacuum leaks. am i hitting fuel cut? at idle? no codes to speak of. i am really starting to get stumped. normally i would just hook up the gm maft, and forget about it, but i am going to be selling the car, and if someone who knows nothing about dsms's buys it, i would feel pretty bad if something went wrong and they had to take it to the stealership. plus i don't like it when i cant figure something out. readings on my wideband are all good. except at idle with the stock maf, it runs lean, and with the gm maf it runs rich. any ideas? i think i am covering everything. i did a ton of searches online, i checked every suggestion online pretty much. there was really only two. fuel cut and BOOST LEAK TEST.
thank you in advance.