I just had a Cartek Stagee II head and H cam install done. I'm using LS1Edit to tune. I driled a 1/8in. hole in the TB to get the IAC counts down, but now they are low at 15-20. My target was 30-50. Will this cause probelms?
EF Live is also throwing up a Fault flag on injector 8 and I'm getting DTC-P0300 codes. Are these related? Any suggestions? Will this be a faulty injector or could there be something else?

 

Does anyone have some answers for me? I'd appreciate some help. Thanks.