Uncle Tony says Gen III hemi has inherent lifter lubrication problems. Agree?

New Hemi Engine Swaps

  1. Krooser

    Krooser Building Chinese Free Engines since 1959...

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    Fact is camshafts or either cast or ground on a solid billet. What happens during a failure is another thing altogether.

    The cams, whether Mopar, Ford, Honda or any other USA manufactured brand all come from one of two companies...CMC or CWC. And there are only a couple different materials and heat treat procedure for every cam made. Tried and true formulas.

    The LS I believe oils the roller and the Hemi does not. The Johnson lifter introduces pressurized oil to the roller via a drilled passage as I see it. That oil makes the difference.
     
    Last edited: Jun 4, 2020
  2. replicaracer43

    replicaracer43 Grumpy Old Man

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    I understand what your saying, but 5.7 cams are cast, they are not billet, and the material they are cast from is the issue. It has nothing to do with the lifter, the lifters fail after the metal crumbles or starts "delamination" for lack of a better term.
     
  3. replicaracer43

    replicaracer43 Grumpy Old Man

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    And @Krooser, you stated the LS oils the lifter roller, so how does that explain the LS cams fail also just like the hemi? I say its because its NOT a oiling issue, it's a poor casting issue. Same reason the SRTs dont have the failure rate of regular 5.7s. Its because the DO have a better cam, and its oiled the same exact way as a 5.7......see what I'm sayin?
     
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    • Nat

      Nat Well-Known Member

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      depends on how big that boat is
       
    • Shorty Medlock

      Shorty Medlock Roads Scholar

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      Last edited: Jun 4, 2020
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      • Cuda416

        Cuda416 FABO Gold Member FABO Gold Member

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      • KosmicKuda

        KosmicKuda FABO Gold Member FABO Gold Member

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        From what I'm seeing....if you order new Mopar G3 lifters the P/N defaults to Hellcat lifters period!

        Did Mother FCA figure this thing out?

        My question is, before I put my 2014 in my 1968; which is better, Hellcat or Johnson?
         
      • A56

        A56 MoPar Affliction

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        I'm sure you didn't realize it but "Mother FuCA" is funny.
         
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        • moparspares

          moparspares Well-Known Member

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          Could it be a combination of things from all comments here. Poor metalurgy, poor oil technology, lack of maintenance - oil changes, some small design faults, poor aftermarket parts. I dont know? but from my experience when pulling my 5.7 apart the amount of sludge and gunk in that engine its a wonder oil got to anywhere it was supposed to go. I could of nearly filled a gallon bucket of crap. Mine didnt have cam failure but a spun no3 main bearing.
           
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          • 408 swinger

            408 swinger FABO Gold Member FABO Gold Member

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            Sounds like NON routine maintenance. And/or inferior quality oil. Granted, once any engine hits its"high mile" mark, they seem to start sludging up. But, overall, I would be inclined to agree in a perfect storm situation.
             
          • tonysrt

            tonysrt FABO Gold Member FABO Gold Member

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            Sludge is also a byproduct of short runs not letting the oil to get hot enough to burn off the byproducts and poor maintenance. My srt Challenger has an oil temp. readout and I always run it till oil is over 212*.
             
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            • Nat

              Nat Well-Known Member

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              I think you're on to something there , all my cars are high mileage and when taken apart they are super clean no sludge , they run a min of 100 miles a day , short trips where the engine never gets hot enough to burn off crap is an engine killer , that and cheap oil
               
            • tonysrt

              tonysrt FABO Gold Member FABO Gold Member

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              I had 80 Civic that I drove 50 miles from work and drained oil when I got home, eat dinner and went back into garage and finished oil change. I also kept filling filter till it was saturated and then installed it. 205,000 miles but clean inside. Although I never had to take it apart.
               
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              • CichliDart

                CichliDart Well, where is it now?

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                Do you have that part number by any chance?
                 
              • CichliDart

                CichliDart Well, where is it now?

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                Would a high pressure oil pump provide any benefit?
                 
              • KosmicKuda

                KosmicKuda FABO Gold Member FABO Gold Member

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                5038784AD
                 
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                • RustyRatRod

                  RustyRatRod I was born on a Monday. Not last Monday. FABO Gold Member

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                  Tony just posted this "revisited" video so I thought I would bring this back up to the top to give new argument material. lol

                   
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                  • replicaracer43

                    replicaracer43 Grumpy Old Man

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                    Nope, he is a moron, and if you believe this bulls$%t explanation, your either a idiot, or a moron also.
                     
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                    • RustyRatRod

                      RustyRatRod I was born on a Monday. Not last Monday. FABO Gold Member

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                      I just thought it'd be fun to post and talk about it. Obviously I was mistaken.
                       
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                      • Scamp Rhonda

                        Scamp Rhonda Well-Known Member

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                        I have 2014 Dodge Ram 5.7 with 65,000 mi. on it and and a slight ticking sound at idle. It runs absolutely perfect right now except for the tick. At what point would you recommend repairing it and what do you charge for the repairs?
                        Thanks, Steve
                         
                      • 408 swinger

                        408 swinger FABO Gold Member FABO Gold Member

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                        Wow. I have to totally agree with racer43. That was the absolute MOST scientific study ever(REALY!). Gee, after an hour on the phone with one of the most well known gen 3 builders(hour of badgering?), said builder agrees with uncle Tony. Idk, I'm no fucking expert. I've seen alot of these failures. I posted pics earlier in this thread. And posted my thoughts for debate. He can suck wind.
                         
                      • thesiren74

                        thesiren74 Well-Known Member

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                        They changed the lifter design i believe to a larger needle bearings in the later years.
                         
                      • Johnny Mac

                        Johnny Mac www.blueprintengines.com FABO Vendor

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                        So I happen to own 3 of the gazillion, 200,000+ mileage gen III hemi's on the planet. Have a 4th in R&D about to make 1000 crank HP.

                        Can't say I see these in any way design flawed. Especially in comparison to an LS, or a coyote.
                         
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                        • thesiren74

                          thesiren74 Well-Known Member

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                          I don't see Rob Goss having issues either.
                           
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                          • KosmicKuda

                            KosmicKuda FABO Gold Member FABO Gold Member

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                            When Chrysler was developing the G3 they consulted with Tom Hoover on the design. He recommended raising the cam in the block to improve geometry. Too bad the father of the Hemi isn't around anymore to ask his opinion.

                            Hmmm......who to trust? Mr. Hoover or King of the dirty low buck 318?

                            If there is something inherently wrong with lifter lubrication, it would probably entail a drastic revision and an admittance of guilt. Not good when there are millions out there. I have to believe FCA knows why they are failing. So far, they seem to be remaining silent except for now using "hellcat" lifters in ALL engines.
                             
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