Originally Posted by jimmydever
bump for my question...
I can hardly believe this.... sorry for guy that spent $$$ on having head replaced.
"Ticking" is oil chamber in lifter expanding and releasing due to oil being heated.
Hydrolic pressure is incredible (why is used for jacks, brakes, etc)... small expansion = great force.
Your lifters have small chamber that acts as cushion for impact
for videos / further explanation, go to http://www.virtualjeepclub.com/showt...d=1#post723094