Ford makes changes to 2013 5.0 engine. :MAD: - Page 8 - Ford Mustang Forum
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Confirmed fact with the actual folks: The change was due to a cost save, that is the main driver. The few extra HP (very very few at peak rpm) is an added benefit not the impetus of the change.

I'd rather have my 2012 with spayers if i'm stuck with cast pistons especially if we are going FI.

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To those that say the stock car blows the #8, please help us out and site some examples. Maybe throw out some data on the stocker that would provide evidence of a potential issue. Based on what ive seen, the stock tune doesnt knock. I understand that all engines knock once in a while; there is no "unusual" knock on the stocker from what i've seen...then again, i havent been around here that long.
I can't post any facts.. there are Ford engineers in that s197 forum (specifically the thread on this topic) that state stock cars are failing, too.. (don't beat the messenger)


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I can't post any facts.. there are Ford engineers in that s197 forum (specifically the thread on this topic) that state stock cars are failing, too.. (don't beat the messenger)
19COBRA93 is the guy who purchased the '12 and '13 pistons to compare and seems to be leading the discussion.

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There have been stock failures, ford just keeps them under wraps.
-19COBRA93
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We don't seem to be hearing from the owners of those failures... Anyone who buys a brand new car and has an engine failure is going to talk about it and make a big deal about it. Just as you know.

The facts suggest bone stock cars just aren't failing like you want everyone to think. We know of what, two confirmed? I'll bet there have been more engine failures in the new focuses. That's a pretty low number, and doesn't suggest a major problem. Sure there may be others, but assuming that proves nothing, as it's just speculation.
I have no doubt there are a few bone stock cars with engine failures, that would be considered normal for any car otherwise techs like me would never be replacing them. However, to say cyl #8s are failing on stock cars like it's a pandemic is simply immature and points more to a personal distrust for Ford than factual observance.
 
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Originally Posted by Grimace427 View Post
However, to say cyl #8s are failing on stock cars like it's a pandemic is simply immature and points more to a personal distrust for Ford than factual observance.
It's not like it's a pandemic on modded cars either.

Ford sold 21,295 GT 5.0 Mustangs in 2011 and probably a similar number in 2012. A substantial percentage of those are modded and a tune is often one of the first mods. How many documented #8 failures are there? A dozen or so? That's an extremely low failure rate.
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It's not like it's a pandemic on modded cars either.

Ford sold 21,295 GT 5.0 Mustangs in 2011 and probably a similar number in 2012. A substantial percentage of those are modded and a tune is often one of the first mods. How many documented #8 failures are there? A dozen or so? That's an extremely low failure rate.
THIS!! How many modded cars can we confirm have lost #8 cylinders? Three or so iirc, hardly even worth worrying about, especially when the tuner who had the most issue with it owned up, paid for the repairs, revised their tune AND issued a warranty to everyone who has their tune. Making a mountain out of a molehill here IMO.

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I would commit seppuku before I sold my 5.0 for a toyota; I'd rather die an honorable death than die of boredom driving to work every day!
Americans dont commit seppuku,we either man up and deal with it,or suck start our shotguns.

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THIS!! How many modded cars can we confirm have lost #8 cylinders? Three or so iirc, hardly even worth worrying about, especially when the tuner who had the most issue with it owned up, paid for the repairs, revised their tune AND issued a warranty to everyone who has their tune. Making a mountain out of a molehill here IMO.
Couldn't agree more!

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Couldn't agree more!
+1. I'm not gonna worry about it. Failure rate is insignificant compared to total number of cars out there even if it were not related to a bad tune.
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Quote:
Originally Posted by twistedneck View Post
Confirmed fact with the actual folks: The change was due to a cost save, that is the main driver. The few extra HP (very very few at peak rpm) is an added benefit not the impetus of the change.

I'd rather have my 2012 with spayers if i'm stuck with cast pistons especially if we are going FI.
So there you go and as I originally suspected. I'm a retired manufacturing engineer and I can assure everyone that the piston mods (coating,etc.) are significantly less expensive than machining, assembling, installing the oil squirters (+ the cost of obtaining the squirters themselves from a supplier - assuming Ford doesn't make them).

I'm sure the engineer at Ford who thought of this got a big "atta boy/girl" in his/her yearly performance appraisal and part of their compensation increase was based on this savings. That is how it worked for me.
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You are full of crap.

Post it up.... even one.

And don't use the "friend of a cousin of and sisters' buddy" thing.

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Glad I read all of the posts before I replied...

Yes, for those who want to argue, there HAVE been failed #8s on stock cars. Period.

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You are spiraling down the hole...

Here... god exists, do your own research.... The Bible.

Are you serious??????

There isn't even a confirmed case on that site anywhere!!! If you want to do the biblical thing... post up the actual link to something.... anything...


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I am not sure if there is a link in this thread, but there are many involved people in this one who would agree; do your own research: WWW.S197FORUM.COM

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I remember going iinto dealer service departments in the hey day of the muscle car era in the late 60's early 70's. They built some powerful, well engineered engines in those days. But you think some of them didnt blow up ? I remember looking at a disassembled 454 out on the floor in front of a 70 Chevelle SS. The crank joiurnals, main and rod bearings were torn to rat #^$%. As strong as some of these engines were, some failed. Racing, powershifting, bolting on slicks etc etc . Many of these cars as are currently built Mustangs were pushed to their limits. Some without even a proper break in. Things break, mechanical parts fail. As well as those engines and our Mustang engines are built &$%3# happens. In the case of the no. 8 failures, I have no idea how many are failing. Reading forums are not the facts. True, every engine ever built has weak points. The factory cannot put blueprinted hand built Nascar engines in every production car. Well yes they could, but but not for current cost. Maybe trhere is a weak spot in the 5.0 with regards to cooling, air/ fuel distribution etc. I havent seen many engines with perfect cooling and air fuel distribution. Evern Pro stock engines arent perfect.
As has been said, with the number of cars built, this is definately not an epedemic, pandemic or anything else other than once a car leaves the factory the company has no control over where the customer gets gas, how he/ she drives the car, when the oil is changed, how many snow banks a driver tries to get out of while revving the beegeevers out of a cold engine. Or, whether or not an owner bolts on a set of slicks and heads right for the drag strip.
For those encountering legitimate problems with their cars, Im not trying to minimize anything. But I think continuously trying to provoke fear by always assuming the worst, looking for the worst or hoping for the worst doesnt do anyone any good. My .02.

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Quote:
Originally Posted by randeez11 View Post
I remember going iinto dealer service departments in the hey day of the muscle car era in the late 60's early 70's. They built some powerful, well engineered engines in those days. But you think some of them didnt blow up ? I remember looking at a disassembled 454 out on the floor in front of a 70 Chevelle SS. The crank joiurnals, main and rod bearings were torn to rat #^$%. As strong as some of these engines were, some failed. Racing, powershifting, bolting on slicks etc etc . Many of these cars as are currently built Mustangs were pushed to their limits. Some without even a proper break in. Things break, mechanical parts fail. As well as those engines and our Mustang engines are built &$%3# happens. In the case of the no. 8 failures, I have no idea how many are failing. Reading forums are not the facts. True, every engine ever built has weak points. The factory cannot put blueprinted hand built Nascar engines in every production car. Well yes they could, but but not for current cost. Maybe trhere is a weak spot in the 5.0 with regards to cooling, air/ fuel distribution etc. I havent seen many engines with perfect cooling and air fuel distribution. Evern Pro stock engines arent perfect.
As has been said, with the number of cars built, this is definately not an epedemic, pandemic or anything else other than once a car leaves the factory the company has no control over where the customer gets gas, how he/ she drives the car, when the oil is changed, how many snow banks a driver tries to get out of while revving the beegeevers out of a cold engine. Or, whether or not an owner bolts on a set of slicks and heads right for the drag strip.
For those encountering legitimate problems with their cars, Im not trying to minimize anything. But I think continuously trying to provoke fear by always assuming the worst, looking for the worst or hoping for the worst doesnt do anyone any good. My .02.
I couldn't agree more.

Pete

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There is NOT a Ford engineer on the s197 forum who states that stock GT #8 cylinders are failing.

This is a lie.

You need to quit spreading misinformation like this.

A messenger of known lies can be beat... you donít even have a plausible deniability defense here.


Quote:
Originally Posted by Cbaty08 View Post
I can't post any facts.. there are Ford engineers in that s197 forum (specifically the thread on this topic) that state stock cars are failing, too.. (don't beat the messenger)

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Originally Posted by brycerichert View Post
There is NOT a Ford engineer on the s197 forum who states that stock GT #8 cylinders are failing.

This is a lie.

You need to quit spreading misinformation like this.

A messenger of known lies can be beat... you donít even have a plausible deniability defense here.
I spoke with some Ford engineers about this yesterday. Its just a simple cost save removing the sprayers and the extra 3-5HP is not even really proven its just statistical. I didn't push to find out if it was better or worse for oil consumption, f.i. applications, or #8 durability.

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