chevy2480 said:It is possible you have a bad lobe on cam. If you over tighten a lifters it will not even start due to valves hanging open and it wont make any noise. A loose rocker makes noise. I would bet its time for a cam change.
god i would not. that cam has like 4,000 miles on it. Someone at summit would be getting very nasty things in the mail. :evil: