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Started By
Message
re: Oil Change Interval
Posted on 5/4/16 at 11:00 am to DownshiftAndFloorIt
Posted on 5/4/16 at 11:00 am to DownshiftAndFloorIt
quote:Good points.
I know you like to pull up the "don't get your advice from the Internet experts" card when it comes to guns, well I'm going to pull it here with oil changes. The people who built the engine and wrote the book are paid very well to know more about this stuff than the Internet does.
My real question (poorly worded) has to do with conventional oil vs. synthetic.
My owner's manual (Infiniti) doesn't address synthetic oil. And it recommends changing it every 3750 miles. My redneck instinct tells me I should be able to get more life out of synthetic oil -- or else quit using it.
But, believing that there are truck & engine Subject Matter experts (SME's) on this board, I figured someone could tell me authoritatively how much longer I should be able to extend the oil change interval using synthetic oil.
Maybe I should have prefaced my query with "Non-experts need not respond."
0
Posted on 5/4/16 at 11:00 am to dawg23
quote:
Full Synthetic motor oil
quote:
What's a reasonable interval?
Anything less than 15K is a COMPLETE WASTE OF MONEY!!!!!!
Posted on 5/4/16 at 11:59 am to dawg23
I have a 2013 F150. The computer tells me to change my oil at about every 10000 miles.
Is this a product of newer technology allow more time between oil changes or is the truck wrong?
I'll read the manual when I get home but does anyone else with a newer vehicle see the same thing?
Is this a product of newer technology allow more time between oil changes or is the truck wrong?
I'll read the manual when I get home but does anyone else with a newer vehicle see the same thing?
Posted on 5/4/16 at 12:03 pm to CajunCommander
Yes, I've already covered that.
Posted on 5/4/16 at 12:38 pm to CajunCommander
The computer keeps track of total engine revolutions, average load, and other parameters to gauge oil life. It's a far better way of predicting oil life than mileage. Mileage was just the only parameter you had a counter for in old vehicles.
Posted on 5/4/16 at 12:42 pm to AlxTgr
Pull a sample and check it when the light comes on and find out.
From what I know of it, specified maintenance intervals are not nearly as conservative as people assume they are, especially on newer electronic stuff. My 03 3/4 ton has gone as much as 7k miles before the light came on.
From what I know of it, specified maintenance intervals are not nearly as conservative as people assume they are, especially on newer electronic stuff. My 03 3/4 ton has gone as much as 7k miles before the light came on.
Posted on 5/4/16 at 12:53 pm to dawg23
My VW TDI gets it every 10k miles as per the recommended maintenance. I don't know much about that engine and it's a "finely tuned german machine" so I don't want to screw with it.
My Tahoe gets it when the computer has been warning me that I have 0% oil life left for a week. It's well over 7k miles each time. The computer bases it off of a usage calculation I believe (how hard you are driving, etc.). I run synthetic, so I figure I'm a little better than that, and I don't care if it runs on 0% for a week or so.
My Tahoe gets it when the computer has been warning me that I have 0% oil life left for a week. It's well over 7k miles each time. The computer bases it off of a usage calculation I believe (how hard you are driving, etc.). I run synthetic, so I figure I'm a little better than that, and I don't care if it runs on 0% for a week or so.
Posted on 5/4/16 at 1:03 pm to DownshiftAndFloorIt
What are these computer thingies of which y'all speak ??
To my knowledge, my truck has nothing more than an odometer sensor. When I hit a certain mileage point, my navigation screen pops up with a reminder to change the oil. I can set the "reminder interval" to be anything I want - which is what prompted my initial question.
FWIW I've been using 7,000 miles as the interval for changing the synthetic oil. That's roughly double the interval that Nissa/Infiniti recommends (for conventional oil).
Second FWIW - The service manager at the dealership (I've only had a couple of oil changes there, while the truck was in the shop for warranty work) has always told me that Nissan/Infiniti recommends using only conventional oil. I'm not a petroleum engineer, but this sounds sorta weird.
To my knowledge, my truck has nothing more than an odometer sensor. When I hit a certain mileage point, my navigation screen pops up with a reminder to change the oil. I can set the "reminder interval" to be anything I want - which is what prompted my initial question.
FWIW I've been using 7,000 miles as the interval for changing the synthetic oil. That's roughly double the interval that Nissa/Infiniti recommends (for conventional oil).
Second FWIW - The service manager at the dealership (I've only had a couple of oil changes there, while the truck was in the shop for warranty work) has always told me that Nissan/Infiniti recommends using only conventional oil. I'm not a petroleum engineer, but this sounds sorta weird.
Posted on 5/4/16 at 1:06 pm to dawg23
1ok
Posted on 5/4/16 at 1:39 pm to DownshiftAndFloorIt
quote:Not talking about when a light comes on. I'm talking about xthousand miles in the manual.
From what I know of it, specified maintenance intervals are not nearly as conservative as people assume they are, especially on newer electronic stuff. My 03 3/4 ton has gone as much as 7k miles before the light came on.
Posted on 5/4/16 at 2:02 pm to dawg23
Be careful starting to use synthetic on a vehicle that's never had it (they can develope leaks). That being said, I've always used conventional motor oil and changed at 10k with no problems. Went from 90k to over 550k on one truck.*
*it was a Toyota, though.
*it was a Toyota, though.
This post was edited on 5/4/16 at 2:10 pm
Posted on 5/4/16 at 2:37 pm to Sparkplug#1
quote:Damn, did you change the filter in there somewhere or was it 10k, too?
conventional motor oil and changed at 10k with no problems
Posted on 5/4/16 at 2:47 pm to dawg23
I've used Castrol synthetic since Royal Purple went away . At 5K I change filter and top off. At 10K complete change. I've driven 5 F150's and 6 Explorers all well over 100K never an issue.
Posted on 5/4/16 at 2:47 pm to White Bear
Same.
This is with gas motors. Diesels need to be changed more often.
This is with gas motors. Diesels need to be changed more often.
Posted on 5/4/16 at 2:49 pm to dawg23
Castrol is not a great oil. Use Mobil 1 synthetic or chevron havoline. I'm in the motor oil business fwiw
You can run 7500 miles on these 2 with no problem at all
You can run 7500 miles on these 2 with no problem at all
This post was edited on 5/4/16 at 2:50 pm
Posted on 5/4/16 at 2:53 pm to redfieldk717
Mobil 1 synthetic every 10K miles in my 2002 Z71. Currently have 260K miles. No issues so far. Not hwy miles.
Posted on 5/4/16 at 2:54 pm to rilesrick
quote:
I've used Castrol synthetic since Royal Purple went away . At 5K I change filter and top off. At 10K complete change. I've driven 5 F150's and 6 Explorers all well over 100K never an issue.
100k isn't a ton of miles for a vehicle.
Posted on 5/4/16 at 2:55 pm to Hankg
I know people who go 15k miles and pulled a sample on mobile 1. Oil was still good. It is, in my opinion, the best motor oil out there for the every day vehicle. I mainly sell chevron products but use mobile 1 personally.
Posted on 5/4/16 at 3:01 pm to AlxTgr
If the manual only has mileage as an indication than it has to be conservative. They have no control over whether you drive 70 all day or leave it idling all day.
Just follow the damn manual. Oil changes are not expensive and every recently built vehicle that I've dealt with has oil life monitoring and suggests changing when the light comes on or one year, whichever is first.
Just follow the damn manual. Oil changes are not expensive and every recently built vehicle that I've dealt with has oil life monitoring and suggests changing when the light comes on or one year, whichever is first.
Posted on 5/4/16 at 3:03 pm to DownshiftAndFloorIt
quote:That was what I said.
If the manual only has mileage as an indication than it has to be conservative.
quote:No.
Just follow the damn manual.
quote:Right, but every other time, they don't actually change anything. They laugh while you're inside reading those out of date magazines or playing on your phone.
Oil changes are not expensive
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