Assume the lifters we’re talking about can’t be adjusted and are on a single OHC engine. I’ve heard that draining 1 quart of oil, adding 1 quart of ATF to the crankcase and then idling the engine for 10-15 minutes before doing a normal oil change is a good way to quiet lifter noise. Also heard that…

I’m thinking lifter. Sticking roller thingy. I have done atf, and I’ve done seafoam. Both worked. This was on an old cam in block Chevy 350, and I didn’t have anything to lose. Had 450 dollars in the whole truck. I did seafoam first. However, when I changed the oil, the lifter noise returned. ATF…

Is “roller” another name for a lifter? Or is it referring to something else?

The Basics of Valve Lifters and Beyond - Engine Builder Magazine .

I think this is a diagram of the head. #24 is the hydraulic lifter. [image] [image]

Yes, ATF or Marvel Mystery Oil as can Sea Foam can quieten a lifter. It’s worth a few bucks to see if it will work or not. If the lifter does not shut up it’s possible that the lifter (sometimes called a hydraulic lash adjuster) may be damaged on the tip by infrequent oil changes. In a case like th…

[image] ok4450: sometimes called a hydraulic lash adjuster Good point, these aren’t ‘lifting’ the valves, their only purpose is to adjust the valve lash.

With the popularity of OHC engines, the name should be changed to “valve pusher downers”. They really haven’t been lifters since the days of side valve engines.

True, but these don’t move at all, they’re just an adjustable rest for the end of the rocker arm.

Best way to quiet valve lifter ticking?

Maintenance/Repairs

Scrapyard-John October 15, 2021, 1:06am 15

I think this is the video I watched. Guy may be a hack for all I know. But, it’ll at least give you a look underneath the valve cover.

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Best way to quiet valve lifter ticking?

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