Looking for ECU flash tuner LS1/ LSX / LS3 4.8 5.3 5.7 6.0

Corpus Christi TX

Description

Looking for someone whose able to tune or reflash Chevy ECU’s for an LM7 5.3 Liter. Recently installed a bigger Cam, springs, and intake manifold, and I can’t get the car to idle; most forums I’ve read say the car needs a tune/reflash.