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frscke1
Total Likes: 1
Original Post (Thread Starter)
Loud ticking from engine #775369 04/30/2021 3:15 PM
by vaNsquared
vaNsquared
I have the original 350 in my 1980 G-20. Loud ticking that came on suddenly when accelerating from a stoplight. Just pulled the valve cover to find this situation on the driver's side. Passenger side looks/acts fine.
[Linked Image from i.postimg.cc]
Has anyone had something like this happen?
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Re: Loud ticking from engine #775386 Apr 30th a 09:06 PM
by Rusty Pancelode
Rusty Pancelode
Yes, but not on my van.

About 23 years ago, I bought a 1970 VW Beetle that the owner thought had a burnt valve.
When I got it home we popped the valve covers to find something very similar to what you've posted.
However, instead of the rocker being off the valve-stem, it was off of the push-rod.
I put it back like it was supposed to be, made the proper valve lash adjustment, and drove it for two years with no other issues until I pulled the engine apart to soup it up.

Check to see if the rocker nut backed off...
Check to see if the push-rod's bent...
Check to see if there's damage to the valve stem...

The slack came from somewhere, if nothing's obvious, it's possible that you've had a lifter failure, a valve spring failure, or that cam lobe has an issue.
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