getting my ass handed to me vt 365 aka 6.0

ok a little history the truck had a reman motor installed 2 years ago it started have a low power heavy black smoke problem the owner took it to the shop that put the motor in he installed aftermarket injectors it didnt fix the problem the shop owner took it to ih they said it need turbo and egr valve they installed parts didnt fix problem whent back to oringanal shop the said they didnt want anymore to do with it the owner took it to ih they said injectors needed replaced the owner called me and said could i put oem injectors in it found 4 on pass side where not torqued and damaged cups i installed 4 cups and 8 injectors a couple fuel lines that where zip tied togeather for clips truck would run but not well ck fuel pressure only had 18 psi installed new pump now 45 at start and runns up to 80 psi when driving new fuel filter icp is new ipr is new back pressure senser is new map sensor iat sensor is new all sensors where insalled by other shop no codes any way truck runs fine when cold as soon as it around 170 and you give it any throttle it will bog down and smoke heavy black smoke but ideals grate do cut out test when it is smoking and there is no change what am i missing besides a gal of gas and a match thanks mike

getting my ass handed to me vt 365 aka 6.0