ammuscleftw

i have been trying just about everything ive read on here plus what i have learned by logging ect and i cannot get the ltft at or around 0 anywhere over 2.8k rpm and 55kpa to 100kpa on the VE table. no matter how much the ve or ifr or maf is adjusted i get around 5-10 pos fuel trims. this started when the the p&p heads and cam went in. Do i need a better fuel pump or injectors? they are the 26# factory ones right now. also one other thing... i found that the airflow is about 10% more then factory after mods and have fixed the maf table but are there any other tables i should adjust also? I can show my tune and/or logs if you would like to give me a hand.