Re: {Chrysler 300} Clacking lifter

On Fri, May 22, 2026, 5:05 PM D V <davidvuk@xxxxxxxxx> wrote:

My 59 413 ticks after sitting for few weeks but goes away after a short trip. This car has 13k miles and has sat in a museum for years. I think a little exercise is all that is needed.

On May 22, 2026, at 4:47 PM, John Grady <jkg@xxxxxxxxxxxxxxxxx> wrote:

Hi Dave ,
IMHO on this
There was a correct comment about looking for silver dust in oil ; however , that will not be able , in general , to get though a good oil filter . Mopar has a lot of fat in that fire , the only one to buy . =

Magnet oil pan nut is good I think

Warrantee issues are huge $ on mopar , want that filter right .

I do not trust some major brands they are junk . NAPA gold seems good too .I saw them all cut open Mopar really was the best . $ a little more , but I buy at dealer , no fakes.

So check if silver dust or particles in drain oil ,and if noise getting worse, markedly low lift . On one ...

Given that , real lifter tick does not increase , and is usually not a big issue -- as from two experiences -- it picks up suddenly one day long after initial miles , maybe 5 k or more and just ticks with no real changes ( as opposed to louder and louder over a few thousand miles , and early)

How an individual reacts to all this is a big part of it . Hard to stay loose .

The tick is a classic stuck lifter . Mine came on 318 truck I loved(a 79 restored step side), started on bitterly cold winter day at around 90 k , perfect motor Who knows why .. In Dunkin line .
A tiny dirt particle from inside oil passage , probably way under .001 either jams in concentric slide of lifter or gets into hydrauic valve part of lifter . Did it for 10000 on mine . My first response was try thinner 5W or 10w 30 mobil one , wind it up etc

Aggravation-- Fed up , ready to fix, but punted on it . Then one day gone forever,,after 10k
Had caused slight uneven running too , a tic in vacuum meter .
Without belaboring what , (does not matter ), it was slightly collapsed or stuck in its telescopic slide , clicks with little harm , acts like a solid
Rapid progression to louder and louder as in thousands ,is a different animal, and a reason for concern from day one . Progression is key . Tick may go or not . But you keep going .

Wiped lobe trouble , yes .. have to fix , but realize residua wont get through oil filter . Despite common doomsday view
And gets louder , A lot , A skip
Means new cam and lifter set , big job, if silver dust / particles , a big loss of lift , worsening skip .
Should be ok with new valve parts oil changes and filter

Remember clean well filtered lube oil flows outward from inside , I don t think motor is hurt . MHO , nothing to lose .
Another thing is ANY antifreeze in oil causes fast cam and lifter collapse and totals all of motor . 4.0 liter jeep does this with a crack in head top 1999 to 2002. Been there twice , whole motor is rendered scrap
Look for obvious yellowy foamy look at filler or in valve cover , at PVC valve if present , water vapor, but yellow foam with it is definitive

YMMV , but just my thoughts ,
J

On May 22, 2026, at 3:16 PM, dave mason <forwardlook300@xxxxxxxxx> wrote:

Hi John will a sticky lifter or clogged lifter cause the same sound as well?

We have an engine that had a similar noise but after running it several hundred miles it has gotten quieter.

Sent from my iPhone

On May 22, 2026, at 14:52, John Grady <jkg@xxxxxxxxxxxxxxxxx> wrote:

really well known --
In some circles , comp lifters were junk for about two years maybe about 7 years back -- they went off shore .I forget the timing exactly
They vigorously denied doing this, blamed oil , break in , process etc etc . Just Follow the $

My friend is a lifelong engine builder , a true pro, 3 man shop , full machining etc he has built 1000 plus engines, including coyotes with .700 lift ... And many stroked hemi etc , 3 engines for me . He has a seven second street camero , blown etc . Nuff said

One summer in the past , he had to EAT a dozen 20,000 $ race engines , almost broke him financially . Honest guy , -- he made it right
Big had the fight with comp, over the wiped lifters story .
They said oil , zddp fairy story etc all BS. He told them he has used 4-5 55 gallon drums of stockpiled oil , same the past , same oil, 3 years .Before and after this And after . He bought it in bulk
Next ?
Zero problems , never any issues suddenly lots of problems , zero failures prior

He had some lifters before episode (during and after ) on shelf , he examined w microscope , noticed totally different machining marks

He had them checked at lab ,-- different heat treat .

He settled with them . Cannot tell any more -- confidential -- but he went elsewhere on lifters
And problems were gone .

Cams apparently were still made probably ok . But lifters hurt them
Not sure of all the intrigue

Coincidentally I was building a stroked 392 , ( 450") he did all the machining . Lots of it . (an Ex dragster billet crank) , Mallory metal , aftermarket chev smaller rod journals etc to balance , etc

I had decided ( at the time), I liked I liked the story of (? Howards?) lifters , with . the approx .015 hole in the center of cam face ( solids) . Went that way . Car still not finished , but I saw that those have doubled in price --big money now. must work , 5 years +on ... waiverd around a bit on that , but went with it
Not current on all this today-- but heads up .
Your story of ? wiped ? lifter yet done in . but cam " not destroyed " may sort of flits this .

Why i bring it up was how vehemently they stuck to the " Story" --- when the story was obvious bullshit from the story .
And it stopped happening , same oil , cam etc . with used with other lifters
Draw your own conclusions , I did
I feel a I accidentally dodged a bullet
I soon put in aftermarket roller lifters in on a 440 hydraulic . No problem , not loving them , but was afraid of snuck in flat tappets from Asia .

Yet flat are / were ok on millions of 440s , all probably real mopar, made in usa etc Nothing normal done ,just thrown in used by the millions across 25 years .

Probably ok now..

Maybe Mancini etc may have good stuff , just detour around this . Why bother with a dance .. not worth the aggravation , will never get to bottom . Hard coat is thin on cam if it is hurt you need both
imho
jkg

On May 21, 2026, at 10:39 PM, Robert Hayen <rbrthayen@xxxxxxxxx> wrote:

Sounds like you have a rounded off cam lobe.
What is the pressure on the seat ? What is the spring pressure on full lift?
Drain your oil and see if there is glitter in it . If there is, DO NOT drive the car !

Bob Hayen here in kalispell montana

On Thu, May 21, 2026 at 6:20 PM 'Ron Waters' via Chrysler 300 Club International <chrysler-300-club-international@xxxxxxxxxxxxxxxx> wrote:
Zinc additives are worthless. Zinc needs to be blended in during the refinement process in order to be effective. Don’t believe the marketing hype.

Ron

From: chrysler-300-club-international@xxxxxxxxxxxxxxxx On Behalf Of Kevin deGraauw
Sent: Thursday, May 21, 2026 7:07 PM
To: David Dumais <ddume300@xxxxxxxxx>; Chrysler 300 Club International <chrysler-300-club-international@xxxxxxxxxxxxxxxx>
Subject: Re: {Chrysler 300} Clacking lifter

tick tick i wouldn't worry.
Tack Tack or TACK!! TACK!! id pull it.

Pull the intake and pan and check it out or valve cover and look for rocker and plunger looseness and carnage.

I had a comp cams lifter get its bottom completely worn away to the inner oil chamber on a 383 i had a few years back, and it rounded but didnt flatten its cam lobe, even with proper break in. Made a bit of thonk! thonk! near the end but it was a tick tick beginning...

Comp blamed improper break in despite high zinc oil, THEIR additive for break in, 23 mins at 2300 etc etc...forums were blaming bad metallurgy on lifters.

Good luck and use zinc additive to help with any future wear if you run it.

Get Outlook for Android
From: chrysler-300-club-international@xxxxxxxxxxxxxxxx <chrysler-300-club-international@xxxxxxxxxxxxxxxx> on behalf of David Dumais <ddume300@xxxxxxxxx>
Sent: Thursday, May 21, 2026 3:53:13 PM
To: Chrysler 300 Club International <chrysler-300-club-international@xxxxxxxxxxxxxxxx>
Subject: {Chrysler 300} Clacking lifter

Hello C. Group

After 2600 miles on rebuilt 413,
# 7
Cylinder has a clacking lifter , then after
Warm up, it continues to tack -tack.

Should I be concerned to pull valve cover and replace it?

Hopefully it won't come apart during the Ashville run.

Engine is lubricated with Amsoil 10/30.
25 PSI on hot idle.

Pull it or drive it.
Your floor.

Thanks
Dave D.

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