Replaced Voodoo Engine

Discussion in 'Shelby GT350 Mustang' started by S550VIN54, May 22, 2018.

?

unknown internal failure, oil consumption, blown block, damaged valve train etc.

  1. Excessive Oil Consumption

    48.9%
  2. Main Bearing

    12.8%
  3. OPG (Oil Pump Gear)

    4.3%
  4. Blown Block

    8.5%
  5. Valve Train Failure

    6.4%
  6. Other

    19.1%
  1. S550VIN54

    S550VIN54 Well-Known Member

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    I tried to look around to see if there was a count of engines that have been replaced due to catastrophic failure. Is there not a thread for this?

    My local dealer has 2 gt350's that are having engines replaced. Was told that they were exhibiting major oil consumption due to out of round cylinders. No details on the year, mileage or if it was an "R".
     
  2. DrumReaper

    DrumReaper Well-Known Member

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    Hmmm... if they were serviced by that dealer (oil changes) I would be weary of taking mine there.
     
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  3. Jimmy G

    Jimmy G Hangin' about, waitin'..

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    As the 2018 5.0 now uses the same PTWA cylinder coating as the GT350 5.2, we may see more of these failures.

    Ford engineers say that the plasma transfer wire arc coating is super durable and that the cross hatching is still visible after 200,000 miles....so I doubt the issue is there.
     
  4. Tomster

    Tomster Beware of idiots

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    I understand why, but it is a shame ford isn't more forthcoming about this issue. I don't know if I have two of the greatest mustangs ever built or ticking time bombs.
     
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  5. Donkey

    Donkey Large member

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    I'd be shocked if the issue was with the cylinder coatings. It wouldn't be the first time that Ford had out of round cylinder issues though. The cylinder lining has been used by Nissan under Fords patent for over a decade now and it's a non-issue there and they typically run much higher cylinder pressures.
     
  6. loco_GT350

    loco_GT350 Well-Known Member

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    Well said! I sometimes wonder the same thing about my GT350.
     
  7. Kurac

    Kurac Well-Known Member

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    I came from a C6Z with the LS7. I’m glad to see I can’t escape catastrophic imagine failures. LOL
     
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  8. tjbrowder

    tjbrowder Active Member

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    Ha! I too came from a LS7 (Z/28) to the Voodoo. Oh well.....
     
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  9. mikez

    mikez Member

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    my dealer has also replaced 2 engines, 1 for excessive oil consumption and the other had 400 miles and suddenly lost oil pressure and shut off....they thought OPG failure, i saw the inside of the oil filter and it was full of bearing debris
    mine at just over 1000 now is amazing, but always watching the oil pressure
     
  10. jvandy50

    jvandy50 H3249

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    the saving grace is ford does not waste much time replacing the long block(as i just found out). so i guess worrying about it won't do much good as you'll just get a new one anyway:cheers:
     
  11. tom185

    tom185 Well-Known Member

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    Well said. Maintain it properly, watch your oil and pressure and then drive it like it was made to be driven. You cant control much after that so, no use worrying about something that may or may never happen.
     
  12. Minn19

    Minn19 Well-Known Member

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    #12 Minn19, May 23, 2018
    Last edited: May 23, 2018
    OP, are you trying to get a count of how many members had engines replaced or just different reasons why? Or both?

    My 16 tech had an engine replaced due to excessive oil usage. My 17 has nearly 8k on it and has been fine.
     
  13. HizliBullet

    HizliBullet GT350

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    i was one of the ones with engine replaced
     
  14. Tflong24

    Tflong24 Well-Known Member

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    I do think it would be valuable information to try and get a total count (at least of forum members and other sources) of blown engines. things seem to get blown out of proportion when it comes to bad things happening but it does seem there are lot of these occurrences.
     
  15. MulhollandMonster

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    2300 miles, tech assumed it was a main bearing, but Ford told them not to split the case...Had a thread about it to document it, but some troll decided to piss all over it and got it closed.
     
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  16. DocWalt

    DocWalt Well-Known Member

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    My car had the engine replaced before I bought it. I bought it with 2700 miles.
     
  17. racer02

    racer02 Member

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    Count me in. 2018 with about 1900 mi on it failed 2.5 months into ownership.
    Spun main bearing and rod through the block but Ford never told what actually failed that contributed to it seizing. 52 days to repair due to backordered parts.
     
  18. 17RubyShelbyGT350

    17RubyShelbyGT350 First Ford - First Shelby

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    Worth Doing

    Does anyone here have a realistic estimate of the percentage of Shelby owners that are members here? Say, 5 or 10 percent of total units sold? If a reasonable and conservative percentage estimate could be derived,
    Putting up a poll could be of some value.

    My .02. BTW, I also had an LS7 Vette, and near as I could tell based on extensive conversations within the community, including tuners, there
    Was definitely a problem with at least 5-7 percent of these engines
    Dropping valves... Of course, GM never admittedly to anything. In my case,
    I had new 5 axis CNC Brodix LS7 style heads done by one of the best
    Shops in the country - the one that KATECH goes to.
     
  19. MulhollandMonster

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    I suppose a percentage in this forum population with blown engines would be a good representation ballpark, if you extrapolate out to the number of units sold.
     
  20. 1mic

    1mic 2 mph so everybody sees u

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    Miss the z28?

    I've seen some pop up in the low 40s.
     
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