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Labor Day Putting down your wrenches or time for
MORE wrenching? 
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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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| | | | Joined: Jul 2000 Posts: 2,187 Insomniac | | Insomniac Joined: Jul 2000 Posts: 2,187 | I added that stuff to my engine about a month ago.
I had some ticking and a small chirping sound. I had adjusted the valves in the Spring and I thought I did a good job. I added the Rislone ZDDP stuff to see if that helped. Nope - it did not work - no change - no easy fix. So, the valve cover came off again. Using a 2.5 ft long piece of wooden dowelling as a stethoscope I was able to determine three valves needed adjusting. After adjusting the valves, it still had the chirp, so while the valve cover was off I squirted some oil on the rockers and it quieted down. The chirp hasn't returned even after the truck got a pretty good work Saturday night.
So, I suggest you check your valve adjustment.
Gord 🇨🇦
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1954 1/2 ton 235 4 speed
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