Valve Lash

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Oct 25, 2014 | 11:34 PM

whover

Thread Starter

Cruising

Joined: Oct 2014

Posts: 13

Likes: 0

Valve Lash

Good Evening All,
I have a 80 C3 350 completely stock. I have recently adjust valve lash due to some noise. All adjust ok with the exception of 3, the lock nut on the rocker is screwed all the in and has bottomed out and there is still slack between rocker and push rod. I checked and the push rod is not bent Any thoughts, maybe worn lob or failed lifter ? Thanks Steve

Oct 26, 2014 | 02:27 AM

gjohnson

Drifting

Joined: Mar 2008

Posts: 1,805

Likes: 432

From: Denver CO

Is the rocker stud the same height as the rest? Hopefully its taller and you just have a stud pulling out otherwise collapsed lifter or worn lobe. Does it run like its missing?

Oct 26, 2014 | 08:47 AM

71454Chevelle

Instructor

Joined: Apr 2007

Posts: 142

Likes: 6

From: Indianapolis, Indiana

Sounds like a flat lobe.

Oct 26, 2014 | 11:12 AM

whover

Thread Starter

Cruising

Joined: Oct 2014

Posts: 13

Likes: 0

Yes, it idles with mis/ very rough. I have completed compression test and all are in the 138 to 144 range. Any way of t/s lobes or lifters ?? Thanks

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