I need help because I was driving one day and then my car started to tick around the pass side of the engine and sounds like it was under the valve cover. I took the covers off on both sides and adjusted the valves and found nothing. It sounds like it could be a lifter but I'm not sure, gets louder when I rev it. I am afraid it could be the crank or a bearing, any kind of tests I can do on it? I turned the crank with a ratchet and when i get to a certain part on it it seems to make a noise but only in the particular point when it comes back to that part. Please help, I'm afraid the engine could be gone but it drives and runs fine but it won't go over 80 easy.

 

try this, put the trive train under load by applying the brakes and giving it little gas. If your cars a M6 this will be harder to do. I was told if the ticking noise gets louder its the bottom end, if it only speeds up its probbly something in the valve train. I had the same problem on a 93LT1 lil while and it turned out to be a chipped cam shaft lobe on the 1st cyl.

good luck