hey everyone I recently did a cam swap on my 5.3 the problem is I have cam surge(engine surge) between 1000-1500 rpms I can get decently smooth rpms right up to 1500 then it surges from 1000-1500 and I cant get anything over~ 2000 without it falling on its face. im new to using this software or any type of tuning for that matter so any help is appreciated cam specs are 216/220 .550 lift 112lobe separation.latesttune7-9-19.hptlogforcamsurge.hpl