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Who Has The Highest Mileage On Their 14+?

Eddie 70
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Ozer Enthusiast

Ozer

Posted
Posted

lol if you are under 100k, you shouldn't even be posting here because anything under that isn't high miles..

 

im at 106,000 2014 sierra 5.3

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J-man67
J-man67

I'm at 124k now. I've changed out the air filter three times, oil changes, tires, and brakes. That's it, and zero problems w/o a catch can. I have new wires and plugs ready to go. Also swapping ou

J-man67
J-man67

Just hit 120k on my 2015. I plan to write up a little review of the last 2 or so years with the truck. I honestly drive it pretty hard. With the nht package, the 3.73s with the 6spd really pull in m

15 Z71
15 Z71

How is that possible with out a catch can? If you listen to some on here you're truck won't make it past 40 or 50 thousand with out one...lol

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CadillacLuke24 Enthusiast

CadillacLuke24

Posted
Posted

Well you're no fun :D

 

72,170 at this moment. Just changed the transmission fluid, differential fluids, and transfer case fluids for the 2nd time. That project was just a few hundred miles ago. A pain in the ass, but I feel it will be well worth it down the road. The front differential fluid still smelled grapey, and the transmission fluid smelled like new. I think I can back off my initial 35k driveline fluid changes to GM's recommended 45k severe service intervals. 

 

Otherwise, oil changes every 5k, and I replace anything that breaks (even minor cosmetic issues) as soon as possible. Planning for suspension service at 100k. Gotta stay on top of things

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Grumpy Bear Senior Enthusiast

Grumpy Bear

Posted
Posted
10 minutes ago, CadillacLuke24 said:

Well you're no fun :D

 

72,170 at this moment. Just changed the transmission fluid, differential fluids, and transfer case fluids for the 2nd time. That project was just a few hundred miles ago. A pain in the ass, but I feel it will be well worth it down the road. The front differential fluid still smelled grapey, and the transmission fluid smelled like new. I think I can back off my initial 35k driveline fluid changes to GM's recommended 45k severe service intervals. 

 

Otherwise, oil changes every 5k, and I replace anything that breaks (even minor cosmetic issues) as soon as possible. Planning for suspension service at 100k. Gotta stay on top of things

Still have Clyde and he's still kick'n. Cool! :thumbs:

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CadillacLuke24 Enthusiast

CadillacLuke24

Posted
Posted
1 hour ago, Grumpy Bear said:

Still have Clyde and he's still kick'n. Cool! :thumbs:

Oh yes! Clyde stays forever :D 

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Doublebase Enthusiast

Doublebase

Posted
Posted
On 5/1/2018 at 8:25 PM, Eddie 70 said:

I posted this pic in the other thread. I meant for it to go here in my thread. Here you can see that it is possible to get almost 600 miles on a tank of gas along with the mileage at the last fill up.

600 Miles Per Tank.jpg

That's pretty impressive but I've got you beat, when I fill up it says 640 miles and sure enough I'm able to do it. I drive around 650 miles a week. Generally I only have to fill up once. Truly amazed at the gas mileage I'm able to get with this full size V8 4wd truck.

 

Love reading about the high mileage stories, and now that these things are a few years older the mileage on some of these things will be very high. That's the thing about full size Chevy trucks, people use them for all sorts of things....work, commuting, towing, weekend fun, plowing. Someone on this thread said his friend has 300,000 miles on his already, that's crazy but I believe it. Know a guy who drives his truck 200 miles a day for an HVAC company...just rolls right down the highway, from job to job.

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Eddie 70 Senior Enthusiast

Eddie 70

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Not running a catch can on mine. I did take the trottle body off not too long ago to clean and inspect it. To my surprise it was not that bad and cleaned up really easily. I just used a lint free rag and cleaned as far as my hand would allow me to down the intake, which is not very far. I use one of the aerosol valve cleaners every now and then. In 60000 miles I have done it twice. SS14 Sea Foam Spray Quick Acting Top Engine Cleaner And Lube.

drentlaw1 Enthusiast

drentlaw1

Posted
Posted
7 hours ago, 20165.3Eco said:

Any of you guys over 100K not running a catch can? Also, if you are not what (if any) intake cleaner are you using and how often?

130,000 miles on my 14 6.2 and never had a catch can. Never done any treatments, only thing I've done is wiped the throttle body when I installed my Airaid MIT. One day I'll get enough money saved up to do TSP heads and cam swap and do a thread with pictures of what everything looks like. Any cash donations towards this I wouldn't mind haha ?? 

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Silverado-Hareek Senior Enthusiast

Silverado-Hareek

Posted
Posted
59 minutes ago, drentlaw1 said:

130,000 miles on my 14 6.2 and never had a catch can. Never done any treatments, only thing I've done is wiped the throttle body when I installed my Airaid MIT. One day I'll get enough money saved up to do TSP heads and cam swap and do a thread with pictures of what everything looks like. Any cash donations towards this I wouldn't mind haha ?? 

 

While I am one of the guys that spent the money on a catch can, reading this post is awesome even if it means I wasted my money on the can.  Hopefully we continue to see this kind of longevity in these engines.

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Ozer Enthusiast

Ozer

Posted
Posted

107k on 2014 5.3 sierra. Catch can installed around 103k, just prior to that got the GM induction cleaning. Turned off V4 mode around 105k miles range.

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20165.3Eco Enthusiast

20165.3Eco

Posted
Posted
On 5/31/2018 at 12:04 AM, Silverado-Hareek said:

 

While I am one of the guys that spent the money on a catch can, reading this post is awesome even if it means I wasted my money on the can.  Hopefully we continue to see this kind of longevity in these engines.

Agreed, lack of a catch can isn't an issue until it's actually an issue. I mean, if I have to pay 400-500 bucks to have a walnut blast done at 150,000 miles the next time it needs done will be 300,000 in which case I will be buying a new truck. 

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Silverado-Hareek Senior Enthusiast

Silverado-Hareek

Posted
Posted
On 6/1/2018 at 10:10 AM, 20165.3Eco said:

Agreed, lack of a catch can isn't an issue until it's actually an issue. I mean, if I have to pay 400-500 bucks to have a walnut blast done at 150,000 miles the next time it needs done will be 300,000 in which case I will be buying a new truck. 

That's a very good point.  And a catch can package is around that same price so in that scenario, you've spent the same amount of money either way.  Assuming everyone without a catch can sees this kind of longevity, really the only argument for the catch can at that point is it prevents any reduction in engine performance leading up to the time of the walnut blasting service.  But from a strictly dollars standpoint, it looks like it could  be a wash.

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mookdoc6 Senior Enthusiast

mookdoc6

Posted
Posted (edited)

2016 GMC SLT 5.3L 8sp   60K

 

Multiple windshields, wipers, 2nd set tires, 1qty battery under warranty and you guessed it!  Another ripped off customer.......Oops! I upgraded a bunch of stuff!

Edited by mookdoc6
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