Best Oil additive to Quiet lifters ?

LeoinMI

Member
Changed the oil and filter on my NAA. Also changed the Transmission fluid,hydraulic fluid and rear end fluid.Added fresh gas. Pulled the
plugs and checked them over for gap and carbon,..got good spark.. They all looked clean burning,..but I will probably replace them anyway.
All is good. Fired her up and adjusted the carb a little to smoother her out from sitting a few weeks over the winter. Noticed the valves
were a little noisy. Not bad enough to really notice,..but I guess I am fussy. Anyway,what is a good engine oil additive to quiet them down a
little. Just looking for preference from you guys if you have any.
Thanks;
Leo
 
You have solid lifters, not hydraulic. If the lifters are truly loose, adjust them to factory specs. You can remove the valve cover without
disturbing the gas tank.
 

Adjust while run'N open till they click and close'em up till they don't... You can also use a feller gauge and find the clickers...

Folks will tell you to live with a clicker there is no reason what so ever you have to live with if on a slow RPM engine that does not give you a oil bath at idle...

Adjust them while the engine is run'N...
 
(quoted from post at 18:24:43 04/06/15)
Adjust while run'N open till they click and close'em up till they don't... You can also use a feller gauge and find the clickers...

Folks will tell you to live with a clicker there is no reason what so ever you have to live with if on a slow RPM engine that does not give you a oil bath at idle...

Adjust them while the engine is run'N...

I've heard that many years ago. How does that work? Just warm it up and slowly adjust till they stop tapping? That seems a little dangerous as if you get them just a hair off they'll never close completely.
 
(quoted from post at 22:12:45 04/06/15)
(quoted from post at 18:24:43 04/06/15)
Adjust while run'N open till they click and close'em up till they don't... You can also use a feller gauge and find the clickers...

Folks will tell you to live with a clicker there is no reason what so ever you have to live with if on a slow RPM engine that does not give you a oil bath at idle...

Adjust them while the engine is run'N...

I've heard that many years ago. How does that work? Just warm it up and slowly adjust till they stop tapping? That seems a little dangerous as if you get them just a hair off they'll never close completely.
use a feeler gauge with engine running & hot.
 
I think my old tractor runs a little quieter and holds better oil pressure using shell rotella 15w40 oil. This oil is design for diesel engines and has a zinc additive for long engine wear.

You might try it, should not hurt anything.

My old truck driver buddy would never change oil in one of his over the road trucks unless they used shell rotella oil and Lucas oil stabilizer. Some of the Old truck motors had well over 1/2 million miles and still ran well.
 
Thanks guys for all the response. I'll try to adjust the valves when I get a chance next time I am out in the shop. I'll look up the specs and go from there. They are not clicking too bad,but could use a little adjustment. Thanks again and you all have a good day.
 
(quoted from post at 06:06:16 04/07/15) Thanks guys for all the response. I'll try to adjust the valves when I get a chance next time I am out in the shop. I'll look up the specs and go from there. They are not clicking too bad,but could use a little adjustment. Thanks again and you all have a good day.

If you decide to do the adjustment with the engine running(fully warmed up),tighten down to the point that you can just hear them.If you can't just hear them they probably aren't closing fully.This will lead to burnt exhaust valves.
I don't like useing feeler gauges on valve adjustments with the engine running.I end up with wiped out gauges.
 

Someone always comes along with a excuse as to why they should CLICK...

If it leaves my shop it wont click unless you ask for a clicker..

The deal... As the valve train wares sometimes you will get a clicker even with the valve adjusted to spec with a feeler gauge.. Because of the ware you are unable to set the valves with a gauge to true spec even tho they feel right at rest they are actually loose a clicker comes alive...

Once you develop a feel for adjusting them run'N you can kill a clicker and the valves will be adjusted correctly.. So what if you kill a feeler they are cheap add it to the work order... Once in awhile you will get stuck with a clicker maybe one even adjusting run'N you have to know your limits....

I would not try this on a overhead cam engine unless you like the taste of motor oil :shock:
 

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