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Ford 5.0L Engine issues

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  • #31
    It doesn't matter what you buy it is the luck of the draw...
    every manufacture has a weak point in something every darn one of them... yet people get over 100k miles out of them... some get way more without issue.. others don't even make it out the end of the dealership lot... I know because at one dealership the truck had 7 miles on it yep 7 and it dropped a valve... yet others have 250k miles on them and never dropped a valve and others are in between... same with this motor too I bet... but the 6.0 gas chevy motor is about as reliable as the sun coming up... you just never hear much going wrong with them...
    So pick your poison pick a brand throw chicken bones when you go and buy one and do a dance... hopefully you get the one that goes 400k miles without changing the oil once! /s for those who might think i am serious...

    Enjoy your new ford, chevy, GM, Dodge, toyota, mastercraft.. oh wait... those boats never have problems... ever!

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    • #32
      Originally posted by captain planet View Post

      Curious as to how many miles those companies put on a truck before they flip them for new ones? 150K? 200K?
      When the gas eaters get over 100K we would order a new one at the end of the current Quarter. Diesels woudl be over 180K.

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      • #33
        Another 5.0L bites the dust. This one already bit the dust once and was repaired under warranty, now it's down again 35K miles later. Unbelievable. If you are wise, you will avoid a Ford 5.0 like the plague.
        2003 ProStar 197, MCX and Powerslot.

        "When injustice becomes law, resistance becomes duty" - Thomas Jefferson
        "Freedom is beneficial to everyone equally" - Ron Paul
        Taxation = Theft

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        • #34
          Dam…I was thinking about the 5.0 I would say this though once a lemon always a lemon and get a different truck.Once I had put money into a repair if it was early, drop it and don't look back. CP was it the same issue?

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          • #35
            Originally posted by Fullpass View Post
            Dam…I was thinking about the 5.0 I would say this though once a lemon always a lemon and get a different truck.Once I had put money into a repair if it was early, drop it and don't look back. CP was it the same issue?
            Same issue, cam phasers. My understanding is the 5.0 was not designed with them. Ford is trying to retrofit that block with them. The oil passages in that engine do not support them properly, so they fail. The resolution to it is there is a conversion kit that eliminates the cam phasers and variable timing. It them becomes the original design and the reliable 5.0 is back. But, adding this voids the warranty. But at this point this particular 2018 truck has 79K on it, so it doesn't matter.
            2003 ProStar 197, MCX and Powerslot.

            "When injustice becomes law, resistance becomes duty" - Thomas Jefferson
            "Freedom is beneficial to everyone equally" - Ron Paul
            Taxation = Theft

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            • #36
              Cam phasers need super clean oil, 3k oci on synth blend or 5k on synth.

              Any more than that screws with the cam phasers. Simple concept, but tight tolerances.

              I had a 3.5l go out at 56k miles because I followed oil change interval.

              Now I am 5K with mobil 1 religiously, might go valvoline vr synth just for a change.

              I am at 118k now and no problems, i drive it like stole it so my gas mileage ***.

              Platinum plugs last almost forever.

              Sent from my SM-G955U using Tapatalk
              sigpic...A bad day water skiing still beats a good day at work...1995 Pro Star 205....

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              • #37
                Mike that is good info to pass along…did someone say a 4.8L is on the way for a 2021 I had read once..

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                • #38
                  Originally posted by mikeg205 View Post
                  Cam phasers need super clean oil, 3k oci on synth blend or 5k on synth.

                  Any more than that screws with the cam phasers. Simple concept, but tight tolerances.

                  I had a 3.5l go out at 56k miles because I followed oil change interval.

                  Now I am 5K with mobil 1 religiously, might go valvoline vr synth just for a change.

                  I am at 118k now and no problems, i drive it like stole it so my gas mileage ***.

                  Platinum plugs last almost forever.

                  Sent from my SM-G955U using Tapatalk
                  oh oh the maintenance cost is catching up to a diesel

                  Comment


                  • #39
                    Originally posted by mikeg205 View Post
                    Cam phasers need super clean oil, 3k oci on synth blend or 5k on synth.

                    Any more than that screws with the cam phasers. Simple concept, but tight tolerances.

                    I had a 3.5l go out at 56k miles because I followed oil change interval.


                    Now I am 5K with mobil 1 religiously, might go valvoline vr synth just for a change.

                    I am at 118k now and no problems, i drive it like stole it so my gas mileage ***.

                    Platinum plugs last almost forever.

                    Sent from my SM-G955U using Tapatalk
                    That is all well and good. Then Ford should specify, if they don't already, change oil intervals at 3000 miles and use synthetic oil only. Otherwise, it is unacceptable that this happens when following recommended maintenance schedule.
                    2003 ProStar 197, MCX and Powerslot.

                    "When injustice becomes law, resistance becomes duty" - Thomas Jefferson
                    "Freedom is beneficial to everyone equally" - Ron Paul
                    Taxation = Theft

                    Comment


                    • #40
                      As a loyal EcoBoost guy, I too change my oil before the computer says and run either Motorcraft SemiSynthetic in my 2.3 EcoBoost on my Ranger, or Mobil 1 on my 3.5 EcoBoost.

                      I also think a high quality filter is really important, some of the value oil change places use a very cheap filter. I personally like the MotorCraft, KN, or Mobil 1 filters with the anti drain back valve.

                      Cam phasers do need clean oil and mileage will vary depending on type of use. 5-7k with synth should be good.


                      Sent from my iPad using Tapatalk Pro
                      Ski in snow, ski in water, and always have fun!

                      2008 Prostar 214 MCX
                      1995 Prostar 190 "Evil Minion"
                      Previous 93 Prostar 190 1.5:1 GT40

                      "Left Foot Forward and preferring girls."
                      "Do you have Flake on that boat?"

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                      • #41
                        add WIX filters to the list I think Oreily Gold is the same

                        please don’t use fram
                        1981 MasterCraft
                        19' Skier 351W PowerSlot
                        Long gone is the Trans AM waiting for another

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                        • #42
                          Originally posted by captain planet View Post
                          That is all well and good. Then Ford should specify, if they don't already, change oil intervals at 3000 miles and use synthetic oil only. Otherwise, it is unacceptable that this happens when following recommended maintenance schedule.
                          Should is the operative... not many keeps vehicles like many here.

                          Sent from my SM-G955U using Tapatalk
                          sigpic...A bad day water skiing still beats a good day at work...1995 Pro Star 205....

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                          • #43
                            no recommendation for a catch can? I know they are a "thing" over on the GM side...

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                            • #44
                              Originally posted by curver900 View Post
                              no recommendation for a catch can? I know they are a "thing" over on the GM side...
                              Snake oil
                              Aric


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                              • #45
                                Originally posted by MC25 View Post
                                Snake oil
                                BuT tHeRe WaS oIl In It...

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