I have a 2010 ls3 I dropped a btr stage 4 cam in last year with all btr supporting mods (.660springs, 7.400 pushrods). car was tuned and running great for about 1k miles (485/478). the car then developed the infamous lifter tick. it would be loud at idle but when moving and higher in rpm it would fade away. I drove the car like that for about 2k more miles because it was running fine. no power lose or anything. I was even driving it in negative degree weather. I just recently took it apart and inspected everything and to an extent its not nearly as bad as I thought it would be. lifters look fine, valves look fine but the cam not so much. what could have been the issue as to why it was making the noise. it almost looks like the piston was never being hit. and yes I inspected all springs they are not broke. any help would be great because I'm lost
https://youtu.be/bYE3ESgAQTM