Hey guys just finished doing the street tune in my lq4 swapped 2001 sierra this weekend, was hoping someone may look over it, im always open to advice/learning from some of the more experienced tuners.
2003 lq4 6.0
port/polished machined 317's
xr275hr cam 222/224/ ls6 springs
long tubes/3 inch single flowmaster dumped
cai
thanks!