Worried about failed lifters? Read this.

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NY Andrew

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So I’m 1.5 hours in (3/4 finished) with the 540Rat blog. Amazing how smart this guy is. But stumbled upon this.

Those of you persistent about using 5W30 to try and prevent lifter failure are wasting your time.

Assuming based off his analysis all we can do is just GUESS when a lifter is about to fail and get it replaced before it causes serious engine damage?

He does mention that 5W30 could potentially assist in engine noise due to being a bit thicker, but apparently we can’t do anything to prevent lifter failure and it’s good to know idling isn’t a bad thing for them! I thought idling was bad for Hemi lifters.

In the end, if under warranty, we’ll still be questioned and potentially blamed for this due to oil or change interval etc etc, but the truth of the matter is, OIL/Filter play NO ROLE IN LIFTER FAILURE!


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Travelin Ram

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It’s a QC issue IMO. Otherwise they would all fail at a similar lifetime. Not disagreeing that rollers are a demanding design, but anything mechanical has a finite design life for a particular percentage to survive a designated amount of usage. You can design for a 100k or a million. And you can hold your suppliers to a certain amount of deviation.

I don’t think I’d be happy with the performance of an engine built to a million mile half life personally. Nor do I really need it to outlast the body.

But when you have too many outliers experiencing that type of wear prior to 100k it looks like too much variation in the lifter quality.
 

pacofortacos

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Right after bottom line. It says solid lifters. We do not have solid roller lifters we have hydraulic roller lifters. So i would not read to much in to that. But thats me.


EXACTLY apples and oranges. He even states about the valve lash causing the hammering - hydraulic lifters have no lash.
 

pacofortacos

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All I can say is what gave you the right to post that on here, is this the opinion of some Rummie lab rat that actually knows anything outside the lab, what's with all of those specs is that suppose to impress us, do you yourself have any working knowledge of the internal combustion engine, and what different oil viscosities do along with additives like Lube Gard bio tech can do, have you read in detail in this forum of what we do to combat this issue, and these are Hydraulic Roller Lifters, and what's with what we're doing is no good, But I have to close with this, Opinions are like Sphincters everybody has one, keep it closed on here.

I think these lifters were on some very high performance or race motor and the specs are to show what he measured during teardown and inspection of the failed part.
Really has no bearing on our lifters or such.
 

Fitz-0518

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Every 5.7 or 6.4 is different for a simple reason. The parts that go into these engines and the assembly process, have no quality control. FCA is constantly receiving just in time parts from a vendor for assembly, and part of the order is out of spec. Frankly, my POV. Our 5.7 and 6.4 engines would easily go 500k+ miles with good oil and filters if,,,,,,,,,,,FCA/RAM put quality control procedures back on line. Each part run would be sampled and if tolerance varied more than________. Vendor doesn't get paid for that run. Look at how many recalls, TSB's and dealer alerts there are for "parts" When the FCA buyer locates a vendor in Taiwan that will produce our cam's for $12.59, you must check quality. Same reason Ford and GM have the same issue. It is the luck of the draw. Some of our trucks will never have a tick, rattle or major failure. They will run smooth and quite for years and miles. They got a good run of good parts.
 
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RedneckHippy

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Every 5.7 or 6.4 is different for a simple reason. The parts that go into these engines and the assembly process have no quality control. FCA is constantly receiving just in time parts from a vendor for assembly, that part of the order is out of spec. Frankly, my POV. Our 5.7 and 6.4 engines would easily go 500k+ miles with good oil and filters if,,,,,,,,,,,FCA/RAM put quality control procedures back on line. Each part run would be sampled and if tolerance varied more than________. Vendor doesn't get paid for that run. Look at how many recalls, TSB's and dealer alerts there are for "parts" When the buyer locates a vendor in Taiwan that will produce our cam's for $12.59, you must check quality. Same reason Ford and GM have the same issue. It is the luck of the draw. Some of our trucks will never have a tick, rattle or major failure. They will run smooth and quite for years and miles. They got a good run of good parts.
Amen. Man I want my 03 Cummins back.
 

kurek

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If my 2015 eats its cam and I have it repaired rather than replace the engine, will a new cam and set of lifters be "Fixed" like the supposed 2018s are?
 

Fitz-0518

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My 2018 2500 6.4 has 14k miles. Oil and filter has been changed at 1000 and then every 3000k. Yes I am old school. This truck tows and hauls in 105+ heat through hills. I use 5 PUP 0-40 1 PUP 5-30 and 1 Lubregurad. This mix has eliminated the first start in the morning dry start rattle and the up to operating temp rattle. Bad parts?? maybe but they are well lubricated and now both conditions are gone.
 

ripping r

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My 2018 2500 6.4 has 14k miles. Oil and filter has been changed at 1000 and then every 3000k. Yes I am old school. This truck tows and hauls in 105+ heat through hills. I use 5 PUP 0-40 1 PUP 5-30 and 1 Lubregurad. This mix has eliminated the first start in the morning dry start rattle and the up to operating temp rattle. Bad parts?? maybe but they are well lubricated and now both conditions are gone.

What oil filter?
 

El Huapo

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Every 5.7 or 6.4 is different for a simple reason. The parts that go into these engines and the assembly process, have no quality control. FCA is constantly receiving just in time parts from a vendor for assembly, and part of the order is out of spec. Frankly, my POV. Our 5.7 and 6.4 engines would easily go 500k+ miles with good oil and filters if,,,,,,,,,,,FCA/RAM put quality control procedures back on line. Each part run would be sampled and if tolerance varied more than________. Vendor doesn't get paid for that run. Look at how many recalls, TSB's and dealer alerts there are for "parts" When the FCA buyer locates a vendor in Taiwan that will produce our cam's for $12.59, you must check quality. Same reason Ford and GM have the same issue. It is the luck of the draw. Some of our trucks will never have a tick, rattle or major failure. They will run smooth and quite for years and miles. They got a good run of good parts.

And they don't need to invent the QC methods, W. Edwards Deming handed it out years ago, right after WWII. He tried to sell GM, Ford, et al on it but then like GM said, "They'll buy it anyway". So he took his methods to the Japanese mfgr's. They accepted his method of statistical sampling and it made them into top quality producers. I am old enough to remember laughing about the cheap crap that came out Japan in the 1950's before the Deming Method got fully implemented. His motto: "Quality is free". One of Japan's top mfgr's quality awards is the "Deming Award". This is old news, right?
 
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Fitz-0518

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What oil filter?
Baldwin B7444 long length
NAPA Platinum 47045 long length. I am not an advocate for either filter. I simply have done some home work and studied what they have in them and how they are made. They are both synthetic medium filters. They are both well made. They both have the two critical valves that our engines need. They both have the flow rate needed and they both have high particulate ratings. There are others that are just as expensive and may do the same thing. But this is what I use.
 
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