bad valvetrain noise

[Mr2MCHVNM]

Anyone care to take a shot at what the sound may be? Tensioners? Followers? Lifters? Chain slap?

The noise came abruptly during dyno tuning last week.

https://www.youtube.com/watch?v=9K4aeEDK8fw&feature=youtube_gdata_player



https://www.youtube.com/watch?v=9K4aeEDK8fw&feature=youtube_gdata_player

 

[snakeconvert98]

Sounds like the tentioners or cam followers ! Good luck with it , maybe it won't be to expensive to fix !