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Posted: 8/19/2017 5:46:35 PM EST
I bought a new F150 and amazed by what the computer claims the oil life to be. Do you guys actually follow this?

I'm at about 4200 miles (definitely getting serviced soon) but the oil life says I have 54% left. That would equate to roughly 10K miles assuming it stays on the same path it has been on.

Are the new trucks and quality oil really making that big of a difference? How often are you guys changing?
Link Posted: 8/19/2017 5:55:27 PM EST
Using synthetics plus a warranty. I go by the oil life monitor on my truck. 2016 Silverado.
Link Posted: 8/19/2017 5:56:39 PM EST
[Last Edit: 8/19/2017 5:57:48 PM EST by BuickDan]
I believe some carmakers are pushing oil change intervals as far as 20k now. I think 10k it's pretty standard.

I just rolled over 5000 on my f150, and had the first service done, including changing the oil and filter.
Link Posted: 8/19/2017 5:58:00 PM EST
My Tundra interval is 10k.      Was dead set against it till I researched it and saw most people sending it for sample testings concluded it oil life was still around 55-60% at 5k (synthetic 0w20)
Link Posted: 8/19/2017 6:00:52 PM EST
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Bob243:
My Tundra interval is 10k.      Was dead set against it till I researched it and saw most people sending it for sample testings concluded it oil life was still around 55-60% at 5k (synthetic 0w20)
View Quote
The OLM params are done really well for most vehicles these days. You can go by them in the vast majority of cases.
Link Posted: 8/19/2017 6:06:25 PM EST
Damn, even Ford's website straight from entering my VIN is saying 10K service will be the first service (or 1 year, whichever comes sooner). That seems really hard for me to believe but this is my first new truck
Link Posted: 8/19/2017 6:11:42 PM EST
Mobil 1, oil/filter changed every 6,000 miles. Truck is a 2005 with around 135,000 miles on it.

What's a new truck warranty? Three years or 36,000 miles, whichever comes first? Even an extended warranty goes out to what? 72,000 miles or 72 months?

The effects of running broken down/dirty oil usually won't cause and engine to fail till the warranty is out. Then you either pay for a new/rebuilt engine or buy a new truck.

They've got it figured out.
Link Posted: 8/19/2017 6:12:32 PM EST
[Last Edit: 8/19/2017 6:14:32 PM EST by Houstons_Problem]
You do need to remember to check the level.  Oil lasts a long time.  Especially when lots of highway miles or at least no real short trips.  Do you really think commercial users were changing oil at 3000 miles?
Link Posted: 8/19/2017 6:13:46 PM EST
Originally Posted By dogesco93:
I bought a new F150 and amazed by what the computer claims the oil life to be. Do you guys actually follow this?

I'm at about 4200 miles (definitely getting serviced soon) but the oil life says I have 54% left. That would equate to roughly 10K miles assuming it stays on the same path it has been on.

Are the new trucks and quality oil really making that big of a difference? How often are you guys changing?
View Quote


I changed my 17 3.5 EB F150 at about 2k initially just to make sure I got all the production crap that may be left over in the engine out. I'm gonna go by the recommendations in the manual after that. With the oil life monitor its not like there is a gas/mass spectrometer in the motor doing an actual analysis on the oil. I have 6500 miles now. I want to say the manual is between 7500 and 10k mile oil changes based on conditions.

J-
Link Posted: 8/19/2017 6:26:22 PM EST
My 07 F150 (5.4L) has been on 10k oil changes since 14k miles. 130k now and doing just fine.

Mobil 1 full synthetic & K&N Pro filters.
Link Posted: 8/19/2017 6:30:52 PM EST
Oh lord armchair mechanics on the loose again. Your oil filter is done by about 5k miles. After that it's in bypass mode. Car makers are only interested in getting the vehicle past warranty, not going 200k miles. You most certainly need to check your oil at least every week. You still have burn off of oil additives and oil consumption that will cause the oil to go down. GDI engines like the ecoboost and the gm trucks require premium synthetic oils and regular changes, as well as special GDI intake services to keep them running right. If you don't, we'll go look up mega knock or super knock, not to mention cold start issues with no compression
Link Posted: 8/19/2017 6:33:39 PM EST
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By M1A4ME:
Mobil 1, oil/filter changed every 6,000 miles. Truck is a 2005 with around 135,000 miles on it.

What's a new truck warranty? Three years or 36,000 miles, whichever comes first? Even an extended warranty goes out to what? 72,000 miles or 72 months?

The effects of running broken down/dirty oil usually won't cause and engine to fail till the warranty is out. Then you either pay for a new/rebuilt engine or buy a new truck.

They've got it figured out.
View Quote


What qualitative data do you use to determine that oil begins to get dirty and break down past acceptable limits at 6,000 miles?

Most of what most people think they know about oil is bullshit.
Link Posted: 8/19/2017 6:37:59 PM EST
I have mine (2013 F150) changed when it get to about 40%. Oil is a pain to check in a 5.0. Dipstick goes in the drivers side head. Engine sits so low I have to use a step stool.
Link Posted: 8/19/2017 6:45:23 PM EST
04' 4 Runner change it every year. Or more if over 5k. 65,000m.
Link Posted: 8/19/2017 6:49:47 PM EST
[Last Edit: 8/19/2017 6:50:28 PM EST by STJ]
Keeep in mind the F150 uses 8 quarts not the 'usual ' 5

more oil, longer change intervals 
Link Posted: 8/19/2017 6:52:01 PM EST
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By STJ:
Keeep in mind the F150 uses 8 quarts not the 'usual ' 5

more oil, longer change intervals 
View Quote
More oil due to more things to oil and heavier demand on oil, not due to oil change intervals
Link Posted: 8/19/2017 6:55:30 PM EST
When I bought my 08 F1-fiddy it had 43k miles on it. I changed it twice at 5k miles and it was still clean. I change it at 10k miles now and I can still see the bottom of the drain pan through the old oil. It's at 130k now and I haven't had any problems out of it except a throttle position sensor. I have a 40 mile round trip to work every day and it's 90% on the expressway.
Link Posted: 8/19/2017 6:56:01 PM EST
I use Castrol Syntec and change at every 5k. I've also sent many samples to Blackstone for analysis.

In most cases, Blackstone tells me I could run 10k between changes based upon oil sample analysis.

I'm staying with every 5k, it's cheap insurance.
Link Posted: 8/19/2017 6:56:24 PM EST
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Bigtwinlvr:

More oil due to more things to oil and heavier demand on oil, not due to oil change intervals
View Quote
Not on the 5.0l

you have some derp in your last two comments 

a oil analysis near 10k will show what you need to know  
Link Posted: 8/19/2017 7:05:27 PM EST
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Bigtwinlvr:
Oh lord armchair mechanics on the loose again. Your oil filter is done by about 5k miles. After that it's in bypass mode. Car makers are only interested in getting the vehicle past warranty, not going 200k miles. You most certainly need to check your oil at least every week. You still have burn off of oil additives and oil consumption that will cause the oil to go down. GDI engines like the ecoboost and the gm trucks require premium synthetic oils and regular changes, as well as special GDI intake services to keep them running right. If you don't, we'll go look up mega knock or super knock, not to mention cold start issues with no compression
View Quote
Have you ever actually tested flow through used oil filters?

It takes a whole lot of effort to get in into bypass on purpose..
Link Posted: 8/19/2017 7:05:28 PM EST
New Cummins is 15k according to the olm and the book.
Link Posted: 8/19/2017 7:21:01 PM EST
I've gone as long as 14k on my oil. This is only after doing oil samples with Blackstone Labs at 8k, then 10k, and finally with their analysis, I pushed it to 14k. They mentioned, and it showed in their analysis that the oil could have gone a little further still. The oil didn't have a notable increase in contaminants from 10k to 14k. 10k is what I still try to keep it to though.
Link Posted: 8/19/2017 7:25:49 PM EST
10k miles minimum per change on a 2005 Tahoe. Using synthetics that is.
I tried syn blend because I use it in another vehicle and it works for that application so I thought it would work for the Tahoe, wrong have to change it after 3000 miles. Its as black at 3000 as the synthetics are at 10k.

Just put Mobile 1 in the 2005 Workhorse 8.1L and plan to change it once a year, will probably change the filter more frequently though, cheap insurance.
Link Posted: 8/19/2017 7:26:10 PM EST
If you've never shipped a sample off to Blackstone, you're talking out of your ass.
Link Posted: 8/19/2017 7:29:46 PM EST
Originally Posted By dogesco93:
I bought a new F150 and amazed by what the computer claims the oil life to be. Do you guys actually follow this?

I'm at about 4200 miles (definitely getting serviced soon) but the oil life says I have 54% left. That would equate to roughly 10K miles assuming it stays on the same path it has been on.

Are the new trucks and quality oil really making that big of a difference? How often are you guys changing?
View Quote


My RAM does the same thing.

I ignore it, and usually change oil somewhere in the 48% to 42% range.
Link Posted: 8/19/2017 7:33:49 PM EST
10-14k on Mobil1 

been doing this for long time now. 
Link Posted: 8/19/2017 7:49:44 PM EST
2015 Honda Pilot, I change it myself every 5k, mobile 1 0w-20, along with a  Puralotor filter.  The MM usually reads 15%  around 7500 miles or so. Lot of stop and star driving, slow speed stuff.  I do it for my own piece of mind. 
Link Posted: 8/19/2017 7:52:09 PM EST
1-year or 10,000 miles in the Ford and Toyota
Link Posted: 8/19/2017 8:09:59 PM EST
2013 F-150 with 50k on it. Get the oil changed at the dealer every 3-4,000 miles. Every time they still put a sticker in the windshield as a reminder for 3,000mi/3mo. Am I overdoing it? Probably. Am I getting ripped off? Not hardly. It's only $10-15 more than if I did it myself, so it's worth it. Little peace of mind.

Oh, and you guys saying "been changing every 10,000 miles, so far, so good". My 1986 Jeep Cherokee with the crap GM V6 in it was the most neglected vehicle in history. Oil was changed every 10-15,000 miles(maybe) or every other overheating incident because the coolant leaked out. Made it to 236,000 miles before the throttle body was so wore out it sucked air around the pivot and ran so lean it would barely run. So, anyone can get lucky.
Link Posted: 8/19/2017 8:18:58 PM EST
10k and I will change. I ignore my oil monitor. It usually goes off at 11K.
Link Posted: 8/19/2017 8:43:50 PM EST
Link Posted: 8/19/2017 9:30:14 PM EST
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Bob243:
My Tundra interval is 10k.      Was dead set against it till I researched it and saw most people sending it for sample testings concluded it oil life was still around 55-60% at 5k (synthetic 0w20)
View Quote
Just got oil test back on boat stern drive motor a '95 5.7lL Mercruiser/Chevy. Engine experienced severe overheat during interval. Oil had been neglected. 3yrs in, 75-100hrs on oil. lubricity number tbn came back as = 5. 1 rating is when oil is shot. This oil was dino oil.
Link Posted: 8/19/2017 9:32:14 PM EST
I run full syn, change at 10,000 miles, black stone says all good

I just got some 20,000 mile stuff for the Infiniti, we will see how that goes
Link Posted: 8/19/2017 9:47:39 PM EST
2011 F-150 5.0l using the Motorcraft Syn blend every 10k. Blackstone analysis showed still had some life left on the oil even at 10k. Wife's Honda every 7500 per manual and Blackstone shows good with it also.
Link Posted: 8/19/2017 9:51:57 PM EST
I literally don't give a fuck what the "industry" says about the service life of oil, when the oil looks dirty, it's time for a change. That's usually around 5k miles.

Oil is cheap. Engines are not. Change time is also time for underbody inspection. I recently found a torn CV boot during an oil change. Do your PM.
Link Posted: 8/19/2017 9:57:31 PM EST
Originally Posted By dogesco93:
I bought a new F150 and amazed by what the computer claims the oil life to be. Do you guys actually follow this?

I'm at about 4200 miles (definitely getting serviced soon) but the oil life says I have 54% left. That would equate to roughly 10K miles assuming it stays on the same path it has been on.

Are the new trucks and quality oil really making that big of a difference? How often are you guys changing?
View Quote
On a new vehicle, I'd change the oil at 3000-4000.  There are frequently metal shavings in the oil as the engine parts break-in. 
Subsequent oil changes can go a bit longer. 

A synthetic oil change costs me less than $20.  Why risk ruining my engine for less than $20/year? 
Link Posted: 8/19/2017 9:59:54 PM EST
[Last Edit: 8/19/2017 10:01:35 PM EST by DieselII]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By magnum_99:
I literally don't give a fuck what the "industry" says about the service life of oil, when the oil looks dirty, it's time for a change. That's usually around 5k miles.

Oil is cheap. Engines are not. Change time is also time for underbody inspection. I recently found a torn CV boot during an oil change. Do your PM.
View Quote
Oil in a Diesel engine looks dirty immediately ...
Hundreds of thousands of miles with 10k + oil changes and no issues to date. 

I'm not saying your wrong at all - do as you like - just saying .
Can't argue the check your shit part though at all. 




Edit for clarification. 
Link Posted: 8/19/2017 10:02:01 PM EST
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By magnum_99:
I literally don't give a fuck what the "industry" says about the service life of oil, when the oil looks dirty, it's time for a change. That's usually around 5k miles.

Oil is cheap. Engines are not. Change time is also time for underbody inspection. I recently found a torn CV boot during an oil change. Do your PM.
View Quote
^ this. 

Your oil may not be worn out, but the black trash mixed in with the engine oil (exhaust, gasoline, soot, carbon...) will cause engine wear. 
Link Posted: 8/19/2017 10:02:27 PM EST
Yes, it's fine. Ignore what the stupid luddites are telling you, their information and "engineering" (I'm using the term loosely here) is 30 years old.
Link Posted: 8/19/2017 10:15:31 PM EST
2010 gmc duramax. Takes 10 quarts. I run full synthetic mobil 1 and change it at 10k. Two oil sample sent to blackstone and both said oil was prob good for another 5-7k.

Wife just got a new gmc Acadia. Dealer and manual both say 10k for oil changes. I changed it at 1k just to make sure there was no "break in shavings or assembly lube left in the motor. The dealer gives us the first two changes, so it will get new oil at 10k and 20k. With full syn oil I see no reason to change it at 3 or 5k anymore.

Over the road trucks were pushing way past 10k with standard oil 20 years ago. Small motors with syn will be just fine with the modern stuff.
Link Posted: 8/19/2017 10:17:34 PM EST
I've used Mobil-1 in my 1997 Silverado and followed the oil life monitor and changed when indicated since new. Truck has 196k miles on it now and never needs oil before the oil life monitor indicates it is time to change the oil. I was worried at first but then I remembered that my 1984 Thunderbird called for a 7,500 OCI with the dino oils available at the time. Never had any trouble with it either and put just under 200k on it too.
Link Posted: 8/19/2017 10:19:18 PM EST
My new Tacoma is 6 months/10k, but I'll never hit 10k in 6 months.

I'll end up being around 5500 or 6k at changes, but would be fine with going 10k with modern full synthetic.
Link Posted: 8/19/2017 10:27:25 PM EST
Just a heads up, if it's an EB the whole composite oil pan with the plug that's way too fuckin big is a head scratcher. Makes one hell of a mess if you're trying to use a typical oil change pan. 
Link Posted: 8/19/2017 10:28:27 PM EST
[Last Edit: 8/19/2017 10:30:09 PM EST by Slare]
Brand new car gets a change at ~1,500 - 2,000 miles.  After that, I'll follow the meter but not go any longer than a year between changes.  If no meter then ~6,000 - 7,500 or a year, whichever is first.  Probably overkill but I'm ok with it.

I'd likely adjust my rules if I had one of these new dangfangled baby turbo motors pushing a truck around.  But I don't, and these rules have served me well for my handful of big V6 and V8 vehicles.

Most people don't use an engine for more than 150k so I doubt it matters much either way.
Link Posted: 8/19/2017 10:30:31 PM EST
I parked a Dodge minivan today and idled it for over 8 hours with the A/C running full blast in Oklahoma summer heat. (for work)

We run nothing but high grade synthetic in company vehicles.
Link Posted: 8/19/2017 10:32:36 PM EST
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By magnum_99:
I literally don't give a fuck what the "industry" says about the service life of oil, when the oil looks dirty, it's time for a change. That's usually around 5k miles.

Oil is cheap. Engines are not. Change time is also time for underbody inspection. I recently found a torn CV boot during an oil change. Do your PM.
View Quote
Please tell me the ways you determine if oil is dirty or not with your eyes.


Because if you can magically determine this. Then the industry needs your special super powers.
Link Posted: 8/19/2017 10:33:58 PM EST
People act like oil turns into carbide sandpaper when the clock ticks 5,001 and that it's lubricating engines not made out of tough ass alloys of steel an aluminum.  Oh, and the manufacturers of these engines and oils haven't done their research, not like Grandpa Jim Bob did as a mechanic in the 60's and 70's.
Link Posted: 8/19/2017 10:36:00 PM EST
[Last Edit: 8/19/2017 10:36:42 PM EST by dogesco93]
Yeah, sounds like the boomers are the ones pitching a fit about doing it every 3-5k. Straight from Ford is saying every 10K, and that seems par for the course from what I've heard in this thread except for the

"muh 3,000 miles" "muh social security" types
Link Posted: 8/19/2017 10:38:02 PM EST
My 2015 F-150 5.0 throws the oil change reminder on at around 4800 miles with my driving routine. Which is fine by me because I change at 5000 in all the other trucks I've owned anyways.
Link Posted: 8/19/2017 10:42:56 PM EST
[Last Edit: 8/19/2017 10:44:02 PM EST by godzillamax]
User manual for my 2005 F250 superduty diesel says every 7,000 miles, so that's when I do it. I use synthetic oil. Wouldn't surprise me newer cars can go longer between changes. 
Link Posted: 8/19/2017 10:47:19 PM EST
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By PSSMAN308:
I have mine (2013 F150) changed when it get to about 40%. Oil is a pain to check in a 5.0. Dipstick goes in the drivers side head. Engine sits so low I have to use a step stool.
View Quote
Get a level and bigger tires, then you can just stand on the front driver's side tire and check it.
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