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Synthetic motor oil

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  • Mr_ShiftrightMr_Shiftright Member Posts: 64,481
    Yes, those VW engines have their issues, no doubt about it. I think synthetic would cure the sludge issues but not the consumption issues. I have two friends with 2.0s and they both, indeed, gobble up oil at a good clip.
  • ruking1ruking1 Member Posts: 19,826
    edited January 2011
    Another thing to consider. Do not get cars that do not have an absolute minium of 10,000 mles OCI's, and with conventional oil !! Even Chevrolet with the Corvette recommends up to 15,000 miles OCI's, but with synthetic oils (Mobil One is factory fill 5w30 to 0w30?) It has a 6.5 qt sump and needless to say is considered a more high performance V8 small block. (as a minimum)
  • jeffyscottjeffyscott Member Posts: 3,855
    edited January 2011
    Once you're out of warranty, you can use whatever you want.

    I think I am inclined to go that route with our Jetta 2.5...or actually to let the shop use what they want/stock, which is the Amsoil. I do want to check what I'll be charged for it first though, as the website shows nearly $9.20 per quart.

    Not a fan of the cultish MLM marketing and all, so I certainly am not willing to pay more for amsoil than Mobil 1 would cost me.
  • ruking1ruking1 Member Posts: 19,826
    edited January 2011
    Well lets put it this way. Walmart sells 5 qt containers of Mobil One (range of viscosities and applications) @ $24.50 per container (UP from 21 per) or $4.90 per qt (UP from $4.20 per qt). Per a previous msg #/post, I will leave you to evaluate whether it is worth a 88% premium.
  • jeffyscottjeffyscott Member Posts: 3,855
    No it would not be worth any premium to me, but I am thinking maybe the shop does not pay or charge that $9 retail price? I shall find out tomorrow and if they do, I'll bring my own oil.
  • ruking1ruking1 Member Posts: 19,826
    Right. The real question is what would they charge you with the normal oil they use. Next would be the charges for CPP. (customer provided parts). This stuff used to be more straightforward.
  • isellhondasisellhondas Member Posts: 20,342
    I have never used nor do I see the benefit to using synthetic oil.

    I use the best conventional oil I can find, I use Honda filters on the Hondas and Ford filters on the Ford. I change oil twice a year, usually around the 4-6000 mile mark and THAT is good enough. At least for me.

    Amzoil reminds me of Amway in the medhod in which it is marketed. A hyped up waste of money at least in my not so humble opinion.

    One thing I won't use are those much advertised "orange" oil filters. I've seen one cut in half and they don't put much in there compared to a factory filter.
  • ruking1ruking1 Member Posts: 19,826
    edited January 2011
    If "you" indeed sell .... Honda's, I would probably agree. But it begs the question, why are you doing 4,000 to 6,000 miles OCI's when 10,000 miles OCI's (Honda's oem recommendations) would do ? Honda's have been using the 5w20 FORD specifications (Honda specifications being less stringent) for almost what.. 2 decades?. It has been demonstrated time and time again that it is a VERY robust specification. (CONVENTIONAL 5w20)

    Now one reason to so call "switch" is indeed the "drift" to the 0w20 viscosity. Again the Ford & Honda specifications remaining obstensibly the same. For whatever reasons, the refiners and blenders have not seen fit to use a conventional oil to drop from 5 to ZERO for the winter portion 5w20 to 0w20. I also understand (you can confirm or deny) that Civic Hybrid's specify 0w20 oil (with the Ford/Honda specifications).

    Now the "ORANGE" paint has little to no effect over the Honda's oem "blue" paint. That being said, I understand that FRAM makes oem Honda oil filters. albeit in "BLUE."
  • Sandman6472Sandman6472 Member Posts: 7,218
    Ditto, but since I won't even drive 2500 from now on, once a year will work for me. If I ever get a part time job, it might go up a bit but doubt it would be over 3k/year.

    The Sandman :) :sick: :shades:

    2023 Hyundai Kona Limited AWD (wife) / 2025 VW GTI (me) / 2019 Chevrolet Cruze Premier RS (daughter #1) / 2020 Hyundai Accent SE (daughter #2) / 2023 Subaru Impreza Base (son)

  • isellhondasisellhondas Member Posts: 20,342
    I did sell Hondas for over 13 years and retired in May.

    I guess I'm old school and I like to take better care of my cars instead of following the minimum requirements. Maybe I spend a bit too much but it makes me feel better.

    You don't have to buy synthetic to get 0-20 oil. I don't think I would use that. Just seems too thin to me.

    I have no idea who makes Honda's oil filters but I do know that Fram makes a lot of different quality filters.

    You can use whatever makes you happy!
  • isellhondasisellhondas Member Posts: 20,342
    Our Explorer get's driven around 1000 miles a year and it get's a yearly oil change.
  • ruking1ruking1 Member Posts: 19,826
    As demonstrated by the ranges of OCI's mentioned, it is apparent we all do !
  • jeffyscottjeffyscott Member Posts: 3,855
    Well, changing conventional oil twice per year probably costs about the same as changing synthetic once per year. So, in most cases, there's really no reason not to use to synthetic for whatever minor benefits it may bestow.
  • isellhondasisellhondas Member Posts: 20,342
    Oh, I'm sure you're right but I just can't stand the thought of going 10,000 miles without an oil change.

    I don't think there is a "right" answer here hence by feelings toward the wisdom of using synthetics.
  • ruking1ruking1 Member Posts: 19,826
    edited January 2011
    While it can be a tad to a lot more complicated than this, the essential answer: given an engine that does NOT cook oil, (the sludge assumption FEAR) statistically anything from 1,000 to 30,000 miles OCI's (and almost literally all points in between) are just fine !!! This is despite an enormously huge variation/s !!! To me, the key operative actions are 1 (IF true) why change @ (LOWER OCI's ) 1,000 miles when (HIGHER OCI's) 30,000 miles will do. 2. Most people follow; why change @ (HIGHER OCI's) 30,000 miles when LOWER OCI's) 1,000 miles will do just fine.

    Many refiner's, blenders when simultaneously bound and not bound by governments, oem specifications, etc.,etc., are in fact "dumbing down " the already secret to technically incomprehensible formulas. Consumers pretty much buy whatever products on ... trust. Specifications, while varying in importance from marginal to MOST, are seldom (really) understood. In many cases, the only thing oems really say is; if you do not use specification oil XYZ you can have catastrophic failure to denial of warranty. Verification protocols, procedures have been, are available. They have been for the better part of 30 years. Scant few (% wise) are aware of them. Scant fewer even use them. People that use them (UOA's) sometimes do not even know what they mean or even how to use the FYI's.

    So for example, most folks don't even know that one major but side bar advantage to synthetic is a 71.4% higher TBN (7 vs 12)
  • shiposhipo Member Posts: 9,148
    Contrary to the garbage/self serving bilge that comes from the Amsoil web site, if you look over in the used oil analysis database on the Bob is the Oil Guy web site, you'll be hard pressed to find even a single UOA that supports the notion of OCIs much beyond the fifteen to eighteen thousand mile threshold. Said another way, given the current technology of oil and engines, a truly safe (for the engine) thirty-thousand mile OCI is nothing but a myth.

    That said, virtually all quality synthetic oils are good for an easy ten to twelve thousand miles when run in a normal healty engine. I've run UOAs on four different cars, two were good for about twelve thousand miles pretty much regardless of how the car was driven, and the other two were good for about fifteen thousand miles. There was one exception in the fifteen thousand mile group; one of those two cars was driven almost exclusively at sedate speeds on the highway between upper New England and Long Island on a weekly basis during one OCI period, and for that particular oil change, the OLM didn't recommend oil service until the eighteen thousand mile point. The UOA came back showing the oil was not-quite exhausted (IIRC, the TBN was something like 1.4).
  • jeffyscottjeffyscott Member Posts: 3,855
    I've always kinda figured changing at 10,000 miles/12 mo. with synthetic is more or less equivalent to changing conventional at 5,000 miles/6 mo. This is not really based on anything much other than general impressions based on other peoples opinions and manufacturer oil change intervals for cars I have owned.
  • ruking1ruking1 Member Posts: 19,826
    edited January 2011
    I actually do not get to the Amsoil sites much.

    I will point out that not long ago, 15 to 18k OCI's were literally like falling off the flat side of the earth.

    So for example while this is a tad more specialized, to be called a VW 507.00 oil it has to meet 50,000 KMS (converts to 31,069 miles) . Indeed it can NOT be called a VW 507.00 if it does not meet that. Here is a 2005 Total Quartz INEO 5w30 specification http://www.lubadmin.com/upload/produit/FichePDF/lang_1/5833.pdf

    So as you can see it has been around for at least 6/7 MY's. Mobil One has a product to meet the VW 507.00 specification, aka M1 5w30 ESP. As you have noted its information sets the upper mileage recommendation to 15,000 miles. https://www.mobiloil.com/USA-English/MotorOil/Oils/Mobil_1_ESP_Formula_5W-30.asp- x

    In fact the only thing different that what I said about statistically being just fine is the ... range. On their oils they say 3,000 to 15,000 miles.
  • shiposhipo Member Posts: 9,148
    edited January 2011
    Correct me if I'm wrong, but A) there isn't a single car (diesel or gas) sold in North America that calls for a 30,000 mile OCI, and B) the 30,000 mile portion of the 507.00 certification applies to diesel engines only (which in many ways are actually easier on the oil compared to their gasoline fired cousins).
  • isellhondasisellhondas Member Posts: 20,342
    edited January 2011
    Anyone remember Frantz oil filters?

    They used a roll of toilet paper and their claim to fame was you NEVER needed to change your oil, just the roll of toilet paper.

    And people used STP too!
  • ruking1ruking1 Member Posts: 19,826
    First off, no correction. You nor I am misrepresenting what has been said. The 507.00 specification is a diesel engines specification. The accompanying 504.00 is the gasser specification.
  • ruking1ruking1 Member Posts: 19,826
    Actually no and no. I have also never used STP.
  • Mr_ShiftrightMr_Shiftright Member Posts: 64,481
    I never used STP but whenever I used to take apart an engine that had STP in it, I cursed the person mightily. What a mess!
  • isellhondasisellhondas Member Posts: 20,342
    edited January 2011
    Oh, the stuff was horrible and it stuck to everything.

    I never used it either but a lot of people did.

    I once pried a valve cover off a 235 Chevy pickup and you have NO IDEA how glooped up it was!

    Besides never having an oil change, every time it was low on oil, the owner would pour in a can of STP!
  • Mr_ShiftrightMr_Shiftright Member Posts: 64,481
    My friend John who was an engine rebuilder charged EXTRA for any engine that had STP in it.

    IRONICALLY, the stuff was great for installing bearings. We would mix up some light oil + STP and dip the bearings in it (especially cam bearings). This of course was a minimal amount of STP, and we drained it all out once the engine had run at fast idle for 1/2 hour in its first start-up after rebuild.
  • ruking1ruking1 Member Posts: 19,826
    edited January 2011
    It is interesting that you should make reference to the "easier on oil" of diesels vs gasser cousins. Again it gets down to knowledge hidden in plain sight. (probably hidden for a host of reasons)

    Perhaps the more "UP on these issues" people know that ULSD (ultra low sulfur diesel) has a 15 ppm sulfur standard per Oct 2006 mandates. Most folks do not know that it is nominally delivered @ 5-7 ppm sulfur to the pumps to avoid even a hint of non compliance.

    On the other hand, ask most to those very same folks what RUG to PUG's ppm sulfur is; and you in most cases, will draw a BLANK; as most folks know beyond "excathedra" that RUG to PUG is WAY cleaner than ULSD.

    Well, funny thing, RUG to PUG standards is @ 30 ppm sulfur. It also can be delivered nominally @ the pumps @ up to 90 ppm sulfur with off line mitigation (aka FEES) So by law RUG to PUG can 1. be delivered 2 times to 18 times DIRTIER @ the pumps than ULSD 2. standard to standard RUG to PUG can be delivered up to 3 times DIRTIER than the standard. 3. on the other hand ULSD is delivered @ 67% to 53% (better) under the standards. 4. 98% of the passenger vehicle fleet use RUG to PUG 5. like for like more rug to pug is used over ULSD.

    So what does all this blather have to do with synthetic oils?... All things being equal.... longer useful life. But like I have said refiners and blenders are industrious, they do work hard on dumbing it down.
  • shiposhipo Member Posts: 9,148
    Sulfur isn't the only "dirty" component of gasoline; the additive package for fuel system cleaning, anti-knock agents, and stability agents also contribute to the (relatively speaking) premature aging of the oil compared to modern diesel engines that run on ULSD.
  • ruking1ruking1 Member Posts: 19,826
    edited January 2011
    At the risk of TMI, TMI. I would NOT disagree. On a more specialized site , 10,000 miles and 22,000 miles OCI's show that the per 1,000 miles wear metals are actually LESS aggressive with more miles than.... less miles. For sure this is a counterintuitive to revolutionary notion. The facts however remain the same.

    So for example, my take is start with the greater OCI and use UOA's to confirm or deny. THEN adjust if needed/wanted. Most people that use UOA's (and there are VERY VERY few) go the other way, take the shortest OCI and adjust upwards.
  • shiposhipo Member Posts: 9,148
    edited January 2011
    I suspect part of the skewing of the PPM metric has to do with the filter increasing in efficiency as it gets dirtier. I saw a very interesting study posted on BITOG.com a few years ago that showed the results of a UOA performed on an engine every thousand miles between the oil change and fifteen-thousand miles.

    As I had theorized before reading the full report, it showed the wear metal PPM counts peaking between seven and nine thousand miles and then dropping to about the three thousand mile level when the fifteen thousand mile mark rolled around. That said, the TBN was looking pretty sketchy by that last UOA.
  • ruking1ruking1 Member Posts: 19,826
    edited January 2011
    After a while, some of the information does tend to triangulate. So for example, (I have probably mentioned this and pardon me if this is like raking finger nails across the old school chalk blackboard) but the 04 Honda Civic oem recommendation for oil FILTER change is @ 20,000 miles, aka every other oil change. As I have mentioned, FRAM makes the Honda's oem oil filters !!! Even with that recommendation there is of course a safety factor involved. So indeed one can even go longer.
  • Mr_ShiftrightMr_Shiftright Member Posts: 64,481
    Tell me again the benefit of waiting to 20K extremes to change oil. I still don't get it. The enormous savings in money? No. Better use of a diminishing resource? To an extent--but the old oil is recycled. Better for the engine? Doubt it.

    It took me years to trust a 7500 OCI, and I'm going to need oil analysis to get me to 10K---I just can't bring myself to do it without science behind me. :P
  • ruking1ruking1 Member Posts: 19,826
    edited January 2011
    Extreme? 20,000 miles OCI's are NORMAL(for me) . Not that you would know this, but I was literally raised on the old school 1,500 miles to 3,000 MAX OCI's. While less aggressive wear metals are indeed BETTER, statistically what I have said in past posts still holds true (almost anything you decide is just fine) . Some folks would argue the RANGE.
  • shiposhipo Member Posts: 9,148
    The benefits?

    Between my wife and myself, we often managed a combined sixty to seventy thousand miles per year of driving (and even closer to ninety one year). If I was to adhere to a five thousand or seventy-five hundred mile OCI for our cars, I'd be changing the oil in one of our cars every couple of week on average. That one of our daily drivers is good for twelve thousand and the other fifteen thousand, I'm able to spend less time under our cars.

    Oh, and then there's the cold weather starting thing; the 0W-30 and 0W-40 oil that I use in our cars allows them to crank almost as if it's a warm summer day, even if the vehicle is completely cold soaked in temperatures well below zero.
  • isellhondasisellhondas Member Posts: 20,342
    Once again, Fram builds oil filters to the specs of the company buying them.

    The orange ones that come from Wal Mart aren't going to be the same as the ones Honda uses.

    And, you are correct. Honda stretched oil changes on Civics in 2001 to 10,000 miles with a filter change every other time.

    I'm sure a HUGE factor in this decision was the bean counters wanthing to make the Total Cost of Ownership numbers look good.

    If you ask any Honda Technician if they follow that reccomendation on their personal cars, guess what the answer would be?

    And, I can't even fathom the thought of keeping an oil filter on my car for 20,000 miles!
  • isellhondasisellhondas Member Posts: 20,342
    Well, I don't think I would want to buy a used car from you.

    Not with 20,000 mile oil changes. Nope!
  • ruking1ruking1 Member Posts: 19,826
    Well like most folks would agree who do (for the sake of discussion) 3,000 miles OCI's, why do 6 OCI's when 35 OCI's will do ?? :shades:
  • isellhondasisellhondas Member Posts: 20,342
    I don't change my oil every 3000 miles. More like 5000.

    Let me ask you a question.

    If two identical cars were for sale. Same car, same age and same 100,000 miles. Same price, same condition.

    Would you rather buy the car that the owner skimped on oil changes and only did them every 20,000 miles or would you buy the car that had 5000 mile oil changes?

    Just curious...
  • ruking1ruking1 Member Posts: 19,826
    edited January 2011
    I have never had any trouble selling used cars and for top dollar. Indeed I ran an 87 TLC 4 speed manual app 250,000 miles (nexus being 15,000 miles OCI's and used it for delivery service in a business and on the weekends took it SKIING.) It had the requirement for valve adjustments every 15,000 miles (what a dog that is) . Bottom line is the dealer did it app 16 times. EVERY time they remarked the camshaft showed/s original tool markings and the engine blocks was totally CLEAN: ZERO SLUDGE issues. In addition, (I know, probably insult to injury) it used nothing but FRAM filters (2 each for 5 dollars at the time) PH8A if interested. I sold it for -44% off what I paid @ the 12 year mark. I got multiple calls app 1 year later from the buyer (yup I thought ... STALKER). So he left a msg on the machine saying that if/when I wanted to ever sell subsequent used cars, to give him THE first call.
  • ruking1ruking1 Member Posts: 19,826
    Do you want the short or long answer? :P
  • isellhondasisellhondas Member Posts: 20,342
    You didn't answer my question but that's O.K.

    I guess we all need to do what we feel comfortable with.
  • ruking1ruking1 Member Posts: 19,826
    edited January 2011
    If you have no preference then yes short answer, depends.
  • Mr_ShiftrightMr_Shiftright Member Posts: 64,481
    I wouldn't dare run my car 20K OCI. It's supercharged and I drive the snot out of it. It spends a good deal of time at redline. I just can't take the chance.
  • ruking1ruking1 Member Posts: 19,826
    edited January 2011
    For sure super chargers and turbo chargers have their own unique requirements. The 03/09 TDI's are lucky in that a fair amount LESS heat (compared to a gasser turbo charger) hits the turbo. So (in my case) 20,000 to 30,700 miles intervals have been done. It is driven aggressively.
  • xwesxxwesx Member Posts: 17,685
    I have nothing against extended OCI's, but I agree that the conditions dictate the oil change interval. Especially on a vehicle that is either new or is driven hard, in dusty conditions, etc., I would establish the general oil health before going as high as 20,000 miles. After an engine is broken in, it is generally the oil's TBN that is the first to go, but that varies by oil, so I can't see taking the chance on blissful ignorance.

    I'm sure it can be a safe interval, but that doesn't mean it is a safe interval. If that were my operational norm, I would have a couple of UOA reports to support my decision.

    Speaking of which, I need to pull an oil sample on my Forester. :(
    2018 Subaru Crosstrek, 2014 Audi Q7 TDI, 2013 Subaru Forester, 2013 Ford F250 Lariat D, 1976 Ford F250, 1969 Chevrolet C20, 1969 Ford Econoline 100
  • Mr_ShiftrightMr_Shiftright Member Posts: 64,481
    What lab do you use? How much does it cost if you don't mind me askin'. I may have this done at 7500 just to see what's up, and I'll report back.
  • xwesxxwesx Member Posts: 17,685
    edited January 2011
    I use Blackstone (http://www.blackstone-labs.com/) in Indiana. They send me sample kits for no cost, and then it is about $1.75 to mail them the sample first class (I usually have the results within a week via email). The sample cost was $22.50 the last time I used them in July, but I think the price increased by $2 to $24.50 (their website will tell you for sure). The basic sample gives you a fairly complete workup less the TBN, which is another $10. We do not have any local services here in Fairbanks, and I find Blackstone to be very user-friendly.

    I opted for TBN on my first two samples in March and July of 2010 since it was my first oil in the car (after the car's initial 2500 mile run up from Seattle), but I won't do TBN on this mid-cycle sample. I will opt for TBN in July when I put in new oil again (assuming the results are favorable on this sample, which will have about 8,000 since the July change). If it is good this July, I will not do a TBN again for this car unless I change my brand of oil.

    Just to clarify, by the TBN being "good," I am looking for a number near or above three. After all, I don't drive exactly the same number of miles every year and prefer an annual change interval. ;)
    2018 Subaru Crosstrek, 2014 Audi Q7 TDI, 2013 Subaru Forester, 2013 Ford F250 Lariat D, 1976 Ford F250, 1969 Chevrolet C20, 1969 Ford Econoline 100
  • Mr_ShiftrightMr_Shiftright Member Posts: 64,481
    Thanks for that info. :D
  • ruking1ruking1 Member Posts: 19,826
    Right to get a sense of what the particular oil looks like right out of the bottle (VOA) virgin oil analysis, there is a sight that documents some of the history. www.bobistheoilguy.com (if I am permited to list other web sites).
  • jeffyscottjeffyscott Member Posts: 3,855
    I took advantage of a deal at autozone, 5 quarts of Mobil one and a free Mobil oil filter (up to $12.99) for $29.99.

    They did not have a filter to fit our Jetta, it would be special order and not eligible for the deal. So I got a filter for a different vehicle, that I will use some other time. The NAPA store apparently has Mann and NAPA Gold in stock and Checker has Wix. From what I have read these all seem to be highly regarded, but most of what I have found is pretty old so I thought I'd check on current opinions.
  • ruking1ruking1 Member Posts: 19,826
    edited January 2011
    Unless damaged , no harm no foul. I just recently changed an oil filter with 20,000 miles OCI, and replaced it with the same model FRAM (no less, choke choke to some) oil filters both purchased in 1998 (12+ years old for the one just replace, 13 years old for the "new unused one") I have ZERO issues with it (Fram PH8A) lasting 1 to 2 years in use (my SWAG) or 14 to 15 years old with a target of another 20,000 miles.

    Most of the brands of which you speak are really re-packaged Mann, Bosch, Meyle, Hengst, etc., anyway. There is really little demand outside of known frequented logistic channels, which is probably why they do look ...OLD. For whatever reasons those brands who do repackaging in which you speak, usuallly cost more than the actual oem ...brands. They are usually not nearly as old either. So for example, I bought a slug of Mann branded oil filters for 4.50 each, including shipping. I priced the "correct" size in a FRAM rebranded/repackage and it was 12.99 (as I remember)
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