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When to sell and EcoBoost

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Old Nov 10, 2016 | 12:23 PM
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Default When to sell and EcoBoost

Question on the longevity of the 3.5L EcoBoost engine…


The company I work for has a mixed fleet of trucks, including ~20 of the 3.5 EcoBoost F-150’s. Traditionally, we’ve run gas powered trucks to 150k miles and diesel powered trucks to 250k miles before selling them, as that seems to be the sweet spot for us. After 150k, it’s not so much the maintenance costs, as it is employee down time that is so expensive. For example, having a crew of guys on the clock, waiting for a foreman, his broke down truck, and his trailer full of tools just about always costs significantly more than whatever the repair might be.

I got the first EcoBoost in our fleet back in 2011, and latein 2015, it was sold off with ~150,000 miles. Based off of my good reviews, we bought several more. A few months after mine was sold, I heard that the person that bought it had blown the engine. From what I hear, a rod broke, and went through the engine block. I can’t speak to the person's driving habits, but for as long as I had it, I felt like it was a solid engine, and I was pretty surprised to hear that the engine had gone. Some of these fleet trucks get beat on pretty badly, but my miles were mostly highway miles, and I keep good records of oil changes and other maintenance, that I turn in when I turn the truck in, and am confident that it was in no way related to the way I treated the truck.


Hearing that, it made me curious... What mileage do you guys think an EcoBoost should be sold at in this type of scenario?
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Old Nov 10, 2016 | 12:25 PM
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Originally Posted by SloMoJoe
Question on the longevity of the 3.5L EcoBoost engine…


The company I work for has a mixed fleet of trucks, including ~20 of the 3.5 EcoBoost F-150’s. Traditionally, we’ve run gas powered trucks to 150k miles and diesel powered trucks to 250k miles before selling them, as that seems to be the sweet spot for us. After 150k, it’s not so much the maintenance costs, as it is employee down time that is so expensive. For example, having a crew of guys on the clock, waiting for a foreman, his broke down truck, and his trailer full of tools just about always costs significantly more than whatever the repair might be.

I got the first EcoBoost in our fleet back in 2011, and latein 2015, it was sold off with ~150,000 miles. Based off of my good reviews, we bought several more. A few months after mine was sold, I heard that the person that bought it had blown the engine. From what I hear, a rod broke, and went through the engine block. I can’t speak to the person's driving habits, but for as long as I had it, I felt like it was a solid engine, and I was pretty surprised to hear that the engine had gone. Some of these fleet trucks get beat on pretty badly, but my miles were mostly highway miles, and I keep good records of oil changes and other maintenance, that I turn in when I turn the truck in, and am confident that it was in no way related to the way I treated the truck.


Hearing that, it made me curious... What mileage do you guys think an EcoBoost should be sold at in this type of scenario?
From what I understand (from here), 150k is fine for it if it's treated like any other engine - with care and regular maintenance. I do think, as you alluded to, the person who shot a rod was driving the living hell out of it. "Hey, I have a turbo, that's my ticket to speed and performance" *hammers throttle*
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Old Nov 10, 2016 | 12:37 PM
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I'd be willing to wager that if that engine threw a rod, a tune or a mechanical alteration was involved...
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Old Nov 10, 2016 | 12:49 PM
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Originally Posted by SloMoJoe
Question on the longevity of the 3.5L EcoBoost engine… The company I work for has a mixed fleet of trucks, including ~20 of the 3.5 EcoBoost F-150’s. Traditionally, we’ve run gas powered trucks to 150k miles and diesel powered trucks to 250k miles before selling them, as that seems to be the sweet spot for us. After 150k, it’s not so much the maintenance costs, as it is employee down time that is so expensive. For example, having a crew of guys on the clock, waiting for a foreman, his broke down truck, and his trailer full of tools just about always costs significantly more than whatever the repair might be. I got the first EcoBoost in our fleet back in 2011, and latein 2015, it was sold off with ~150,000 miles. Based off of my good reviews, we bought several more. A few months after mine was sold, I heard that the person that bought it had blown the engine. From what I hear, a rod broke, and went through the engine block. I can’t speak to the person's driving habits, but for as long as I had it, I felt like it was a solid engine, and I was pretty surprised to hear that the engine had gone. Some of these fleet trucks get beat on pretty badly, but my miles were mostly highway miles, and I keep good records of oil changes and other maintenance, that I turn in when I turn the truck in, and am confident that it was in no way related to the way I treated the truck. Hearing that, it made me curious... What mileage do you guys think an EcoBoost should be sold at in this type of scenario?
first off these engines of course depending on Mx should roll 300k miles no problem! Second these engines don't have rods. They are overhead cam engines. So someone lied to you. And yeah if the engine grenaded then someone used a bad tune with low quality or octane fuel and blew that engine sky high. Want proof? Look in the forum for similar story's. You will find statically none.
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Old Nov 10, 2016 | 12:52 PM
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Originally Posted by B-ManFX4
I'd be willing to wager that if that engine threw a rod, a tune or a mechanical alteration was involved...
while we cant be sure, this is a strong possibility
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Old Nov 10, 2016 | 12:52 PM
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Originally Posted by Rexey
first off these engines of course depending on Mx should roll 300k miles no problem! Second these engines don't have rods. They are overhead cam engines. So someone lied to you. And yeah if the engine grenaded then someone used a bad tune with low quality or octane fuel and blew that engine sky high. Want proof? Look in the forum for similar story's. You will find statically none.
They don't have push rods, they do have connecting rods. Throwing a rod is breaking one of the rods between crank and piston.
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Old Nov 10, 2016 | 12:58 PM
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Originally Posted by ilkhan
They don't have push rods, they do have connecting rods. Throwing a rod is breaking one of the rods between crank and piston.
Beat me to it!
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Old Nov 10, 2016 | 01:20 PM
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Originally Posted by ilkhan
They don't have push rods, they do have connecting rods. Throwing a rod is breaking one of the rods between crank and piston.
yes I know this. However, have you ever heard of one of these going through the block? I haven't.
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Old Nov 10, 2016 | 01:31 PM
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If you want to sell the trucks because of longevity of the engine alone & its impact on resale, it won't make any difference IMO.

Resale is going to be impacted moreso by the age & miles as a whole. From my experience, car values drop the most at these points;

1- Once off the lot (1 - 2 years) (New -> Used)
2- Once past 60K miles (~5 years) (No more warranty)
3- Once past 100K miles (6+ years) (Perception of high miles)
4 - Once past 150K miles (10+ years) (Perception of impending issues)

If you want to get the most resale from your fleet, either sell them before 150K miles or hold onto them until they suffer severe mechanical failure. The engine will have no bearing on the value to most buyers
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Old Nov 10, 2016 | 01:32 PM
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There was no tune or modification in the first 150k miles. I'm fairly certain there wasn't time for one after it was sold.
The connecting rod broke, and put a window in the engine block. I'm told it happened at an idle, and a piece of the rod was found under the truck.
Other piece of pertinent information: The truck was in an accident ~120k miles before it was sold. Not much body damage, but frame was bent, and they ended up fixing it by putting the truck on a new frame.
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