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10k vs 5k mile oil change

Discussion in 'General Tundra Discussion' started by sabet, Aug 3, 2022.

  1. Sep 23, 2022 at 3:38 AM
    #211
    TheBrit

    TheBrit Wrinkly member

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    Amen
     
  2. Sep 23, 2022 at 3:46 AM
    #212
    Bammer

    Bammer I'm disinclined to acquiesce your request.

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    Good thing you don't own a diesel.
     
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  3. Sep 23, 2022 at 5:33 AM
    #213
    Sumo91

    Sumo91 Busy with projects

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    Wait till he finds out clean oil can cause varnish :eek:
     
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  4. Sep 23, 2022 at 5:55 AM
    #214
    Clay J

    Clay J Yota Fan

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    5k all the way. Oil is cheap and engines are not.
     
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  5. Sep 23, 2022 at 6:07 AM
    #215
    texasrho83

    texasrho83 DGAF#1

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    Wouldn't say oil is cheap but relative to the cost of an engine, yeah. I've only bought Mobil 1 when it was on sale. Now that I'm an Amsoil member, I'm having to recalibrate my idea of what I wanna pay for oil
     
  6. Sep 23, 2022 at 6:12 AM
    #216
    Clay J

    Clay J Yota Fan

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    Don’t get me wrong, Amsoil is good but it’s overpriced. Most common brand full synthetic oils that meet API specifications required by the manufacturer will do the job just fine.
     
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  7. Sep 23, 2022 at 6:20 AM
    #217
    texasrho83

    texasrho83 DGAF#1

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    I feel like with oil you get what you pay for.
     
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  8. Sep 23, 2022 at 6:21 AM
    #218
    Sumo91

    Sumo91 Busy with projects

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    If you run 5k OCI, amsoil is a waste, 10k is about break even, 15k-20k OCIs makes its cheaper to run than off the shelf oils. API specs also have a ceiling, so when oil blenders make an oil that is truly superior than anything off the shelf, it exceeds the API spec, and therefore cannot get the label on the bottle without taking a step backwards.

    The API spec is a great thing to adhere to, but where it limits inferior oils from getting the label, it also limits superior oils from getting it as well.
     
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  9. Sep 23, 2022 at 6:23 AM
    #219
    Sumo91

    Sumo91 Busy with projects

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    I paid a little less than $1200 for my current stash of oil :eek: but I have enough to last me for several years.
     
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  10. Sep 23, 2022 at 6:24 AM
    #220
    Bammer

    Bammer I'm disinclined to acquiesce your request.

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    Agreed, run Amsoil 15,000 + miles to make it worth spending the extra $$$$
     
  11. Sep 23, 2022 at 6:26 AM
    #221
    nobodyintexas

    nobodyintexas What?

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    Whatever this forum told me to do
    I'm a bit unwashed as it relates to Amsoil.

    why is it so hard to find?
    How does one buy it?
    is it still $10/qt?
     
  12. Sep 23, 2022 at 6:27 AM
    #222
    Bammer

    Bammer I'm disinclined to acquiesce your request.

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    I too was a BITOG hoarder of the green elixer of the God's that was Castrol Syntec 0W30 red label ! Had 300 quarts at one point.
     
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  13. Sep 23, 2022 at 6:28 AM
    #223
    Clay J

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    what’s the shelf life look like on that stuff?
     
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  14. Sep 23, 2022 at 6:30 AM
    #224
    Sumo91

    Sumo91 Busy with projects

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    You definitely have me beat :fistbump:

    I'm running High Performance Lubricants now, if you haven't been on bitog in awhile, you should check them out. They're a site sponsor now, and Dave is one the best people I've ever had the pleasure of meeting, and he is entirely too humble for his own good, he also makes an incredible oil, with an amazing group of people working with him such as Leslie Rudnick, and many others.
     
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  15. Sep 23, 2022 at 6:33 AM
    #225
    KNABORES

    KNABORES Sarcasm incoming

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    The trouble with extended OCI is it really depends on individual use. Synthetic oil is superior to Dino oil in that it doesn’t break down and degrade over time the way Dino oil does. So cool, my oil lasts a long time! But we change oil not just due to oil degradation, we also change due to contamination. Environmental, like dust and debris ingested through the air intake and contamination from byproducts of combustion. If you’re running in dusty conditions, 15k intervals is probably a bad idea. Especially you K&N filter guys. If you’re all highway and not towing, extended intervals may be possible.
     
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  16. Sep 23, 2022 at 6:35 AM
    #226
    Sumo91

    Sumo91 Busy with projects

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    This was brought up during the open house at HPL, the oil doesn't necessarily go bad, most oils just have additive separation. Every single batch of oil they make, they keep a sample of it in a clear bottle, and they have samples that have been sitting on the shelf for 10yrs with no product separation at all. It's pretty incredible.

    I had an incident running pennzoil where all the additives dropped out of suspension and were resting on the bottom of the jug, it was a brand new jug straight from store.
     
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  17. Sep 23, 2022 at 6:38 AM
    #227
    Bammer

    Bammer I'm disinclined to acquiesce your request.

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    I will check it out . Thank you :cheers:
     
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  18. Sep 23, 2022 at 6:40 AM
    #228
    Clay J

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    Wow that is crazy. Wasn’t it Pennzoil that was known for having issues with paraffin wax back in the day?
     
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  19. Sep 23, 2022 at 6:41 AM
    #229
    Sumo91

    Sumo91 Busy with projects

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    No problem brother. What's really great is the customer service, the owner, Dave, will let you call him and answer any of your questions (what other oil company can you call and talk to the owner?). He even made me a special batch of 75w for the transfer case, no extra charge from their regular gear oil prices.

    If you ever want a tour of their blending facility, they're happy to oblige. You can literally eat off of the floor in there
     
  20. Sep 23, 2022 at 6:42 AM
    #230
    Sumo91

    Sumo91 Busy with projects

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    Hmm I'm not entirely sure on that one.
     
  21. Sep 23, 2022 at 6:55 AM
    #231
    Asimov2025

    Asimov2025 Not Sure

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    I would think if you tow in S4 you should probably change the oil at 2.5k due to the forced higher revs under load...but the transmission fluid stays cooler so they have that going for them.
     
  22. Sep 23, 2022 at 7:06 AM
    #232
    texasrho83

    texasrho83 DGAF#1

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    Sumo's Oil Reserve?
     
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  23. Sep 23, 2022 at 7:07 AM
    #233
    Sumo91

    Sumo91 Busy with projects

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    Looks like I have a name for it now :thumbsup:

    Here is most of it.
    20220923_101000.jpg
     
  24. Sep 23, 2022 at 7:25 AM
    #234
    Bammer

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    That is customer service ! Where are they? Never mind, I'm heading to their website now. Thanks for the info @Sumo91
     
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  25. Sep 23, 2022 at 7:35 AM
    #235
    texasrho83

    texasrho83 DGAF#1

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    Sumo hooked me up with HPL's info too and I reached out to them. The lady responding to my emails didn't know if they could make custom batches but I told her uh yeah you just made some for Sumo lol anyway love their service.
     
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  26. Sep 23, 2022 at 8:10 AM
    #236
    Terndrerrr

    Terndrerrr guzzling dealer repellent

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    The Car Care Nut says your 5.7 leaks a small amount of gas into your oil over time. If you’re going longer than 6mo, it’s happening regardless of which oil and filter you use. He says 5k/6mo OCI is what keeps Toyotas happy the longest. Anyone care to confirm or deny this?

    That’s basically why I switched to Kirkland and 5k OCI. Plus, I’m actually saving money. Engine isn’t louder, either. Running Mobil1 0w20 however sounded like I had a bad lifter. :eek2:
     
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  27. Sep 23, 2022 at 8:12 AM
    #237
    Sumo91

    Sumo91 Busy with projects

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    A UOA should show any fuel dilution. I'll post some 10k UOAs later today. Gotta run some errands.
     
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  28. Sep 23, 2022 at 8:18 AM
    #238
    nobodyintexas

    nobodyintexas What?

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    Whatever this forum told me to do
    RE: fuel dilution

    this was the test right after all the dyno tuning.

    upload_2022-9-23_10-16-25.jpg
     
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  29. Sep 23, 2022 at 8:27 AM
    #239
    Terndrerrr

    Terndrerrr guzzling dealer repellent

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    Nice. Wonder if that’s something that increases over time and as you enter higher miles.
     
  30. Sep 23, 2022 at 8:30 AM
    #240
    nobodyintexas

    nobodyintexas What?

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    Whatever this forum told me to do
    I would guess both.

    a higher mileage engine probably has worn rings and thus more blow by.
     

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