ok wel i just got done putting my new 347 in my car it has a 75 mm maf,30#injectors a solid lift cam holley systemax intake 70 mmtbody, undr drives , canfield heads, headers and 410 gear it willl run strong first gear but when u hit 2 gear it wants to start breaking up and spitting and sputtering from 2 gear up it is not that bad if you gradually roll into the throttle but if you just stab it it wants to pop and sputter and fall all over it self the timing is set at 14 and fp is at 45 at wot. if any body has any ideas please let me know i have allread set the tps as well just so thats out of the way the only code coming up is egr bc its deleted. thanks.