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idled for12 months #5455165 06/16/20 11:36 AM
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avi1777 Offline OP
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Last edited by avi1777; 06/16/20 11:37 AM.
Re: idled for12 months [Re: avi1777] #5455197 06/16/20 12:06 PM
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Astro14 Online Content
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That engine looks great inside!


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Re: idled for12 months [Re: avi1777] #5455225 06/16/20 12:41 PM
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hallstevenson Offline
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I like how they made up these numbers ! grin

Quote
Over its life cycle, this cop car has spent 8300 hours of idle time. With one hour of idling converting to about 33 miles of driving, that means that the engine has been put through 275,000 miles of wear through idling alone. Throw in the extra 82,000 miles that the car actually drove and it brings us to the grand total of 357,000 engine miles.
In all seriousness, where did they get that 8300 value from ? They use that to come with their arbitrary 275k miles too.

Re: idled for12 months [Re: hallstevenson] #5455226 06/16/20 12:42 PM
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Originally Posted by hallstevenson
I like how they made up these numbers ! grin

Quote
Over its life cycle, this cop car has spent 8300 hours of idle time. With one hour of idling converting to about 33 miles of driving, that means that the engine has been put through 275,000 miles of wear through idling alone. Throw in the extra 82,000 miles that the car actually drove and it brings us to the grand total of 357,000 engine miles.
In all seriousness, where did they get that 8300 value from ? They use that to come with their arbitrary 275k miles too.


The hour meter shows 8300 idle hours. The average drive speed for that particular car works out to 28 miles per non idling hour based on 82,000 miles and the difference between engine total hours and idle hours. Now whether idling is better or worse than driving, I have no clue but those are the numbers .

Last edited by RhondaHonda; 06/16/20 12:46 PM.

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Re: idled for12 months [Re: Astro14] #5455272 06/16/20 01:49 PM
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nascarnation Offline
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Originally Posted by Astro14
That engine looks great inside!


So what oil, weight, and OCI?

Being it was a municipality, I'm betting it was generic stuff with changes (at best) per the GM OLM.

Hopefully this quiets some of the fast heartbeats, sweaty palms, and sleepless nights at BITOG.

Re: idled for12 months [Re: nascarnation] #5455277 06/16/20 02:00 PM
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Jimmy_Russells Offline
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Originally Posted by nascarnation
Originally Posted by Astro14
That engine looks great inside!


So what oil, weight, and OCI?



I'm sure it was one grade higher than what is recommended. I mean that's the only way it can last so long.

Re: idled for12 months [Re: Jimmy_Russells] #5455282 06/16/20 02:08 PM
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DavidJones Offline
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Originally Posted by Jimmy_Russells
Originally Posted by nascarnation
Originally Posted by Astro14
That engine looks great inside!


So what oil, weight, and OCI?



I'm sure it was one grade higher than what is recommended. I mean that's the only way it can last so long.


Seriously? Based on what?


My garage.....2012 Toyota Highlander (wife's), 2016 Ford 2.7EB F150(mine), 1969 Pontiac GTO, 2005 Double cab Tundra(son), 2015 Honda Accord EX(son).
Re: idled for12 months [Re: avi1777] #5455284 06/16/20 02:10 PM
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An engine running at operating temps has minimal wear.


2015 F150 2.7
2018 F350 6.2
Re: idled for12 months [Re: nascarnation] #5455285 06/16/20 02:11 PM
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CT8 Offline
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Originally Posted by nascarnation
Originally Posted by Astro14
That engine looks great inside!


So what oil, weight, and OCI?

Being it was a municipality, I'm betting it was generic stuff with changes (at best) per the GM OLM.

Hopefully this quiets some of the fast heartbeats, sweaty palms, and sleepless nights at BITOG.

Nope !! We can't let our preconceived notions get in the way of facts.


2015 F150 2.7
2018 F350 6.2
Re: idled for12 months [Re: avi1777] #5455294 06/16/20 02:21 PM
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Actually this is more common than what we might think. A lot of utility trucks idle for many hours a day for years and years.

I know of a 1949 International pickup that was used by the city here as a paint truck. It had a compressor in the bed. This was purchased by the city brand new and its duty was to paint the Guard rails which were wood back then. The city is around 50 square miles in size. That truck did it’s duty for over twenty years until the early 70’s when wooden guard rails were getting scarce as steel had taken over. It was retired and sold at auction to a salvage yard.

I know the person who bought that truck from the salvage yard. He was able to start it and drive it home. He restored it to original condition. He still owns it and it still runs. There is no telling how many miles or hours are on that engine.

They built those Cornbinders well back in the day.


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Re: idled for12 months [Re: hallstevenson] #5455295 06/16/20 02:23 PM
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CR94 Offline
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Originally Posted by hallstevenson
Quote
Over its life cycle, this cop car has spent 8300 hours of idle time. With one hour of idling converting to about 33 miles of driving, that means that the engine has been put through 275,000 miles of wear through idling alone. ...
In all seriousness, where did they get that 8300 value from ? ...
I gather the 8300 was from an idle timer. However, that's NOT the number of hours in 12 average-length months, 8766.

What justifies the claim that one hour of idle somehow equates to 33 miles? In most cases, 33 miles would require more engine revolutions---not that the comparison is necessarily that simple.


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Re: idled for12 months [Re: hallstevenson] #5455310 06/16/20 02:43 PM
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Gene K Offline
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Originally Posted by hallstevenson
I like how they made up these numbers ! grin

Quote
Over its life cycle, this cop car has spent 8300 hours of idle time. With one hour of idling converting to about 33 miles of driving, that means that the engine has been put through 275,000 miles of wear through idling alone. Throw in the extra 82,000 miles that the car actually drove and it brings us to the grand total of 357,000 engine miles.
In all seriousness, where did they get that 8300 value from ? They use that to come with their arbitrary 275k miles too.


From the engine hours and idle time meters. My F150 records those numbers too

The 33 miles came from a Ford study of the effect of engine idle that occurred years ago.


Gene

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Re: idled for12 months [Re: Gene K] #5455331 06/16/20 03:02 PM
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Originally Posted by Gene K
...The 33 miles came from a Ford study of the effect of engine idle that occurred years ago.
Claims like that aren't to be taken too literally. Those 33 miles might be equivalent regarding one specific form of wear of one component, or deposit formation on one area, but can't possibly be equivalent in every sense everywhere in an engine. In 33 miles of typical mixed use, temperatures in the engine will vary a lot more than at a constant idle.


2011 Toyota Prius now at 111K
1981 Mazda GLC (323) retired at 606K
1972 Subaru DL retired at 190K
1954 Chevrolet retired at 121K
Re: idled for12 months [Re: avi1777] #5455336 06/16/20 03:10 PM
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Regardless, if one use 28 or 33 as the equivalent for miles per hour of idling, that engine was in great shape with minimal varnish--especially with the DOD system on it.

I am betting the cheapest filter and oil were used too.


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Re: idled for12 months [Re: avi1777] #5455337 06/16/20 03:10 PM
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I had a 68 Impala with over 350K miles and my brothers Honda element delivery vehicle has over 450K. Changing oil regularly and maintaining the fueling system components is how mileage is irrelevent. Idling for 12 months is an engine that is not working and just spinning. If fuel system went goofy by just a little bit it would've cascaded into wear quickly.

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