clicking lifters

paulvMember

My 72 motor has about 100,000 miles on it, and I am hearing some clicking noise from some of the valves. I went through and adjusted all of the valves using the EOIC method. When doing this, I noticed some of the lifters were very "soft" once I got to zero lash. I was able to easily push down on the pushrod. The other lifters had a firm feel to them once I got to zero lash. I adjusted all of them to 1/2 turn preload, and still have noise. I am thinking I have some bad lifters, and need to replace all of them. Is a "soft" lifter a good indication that it is not pumping up properly?
Thanks,
Paul #3040

1/12/118:22 PM

Original Post

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