Well that adds another data point to the scenario. Maybe it wasn’t the oil that solved your squealing noise.
Any mechanic that tells you to just live with a noise until something breaks has failed in my opinion.
My Experience: Amsoil SS in 2013 Hyundai Santa Fes
- Thread starter H. Swanson
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Well that adds another data point to the scenario. Maybe it wasn’t the oil that solved your squealing noise.
Any mechanic that tells you to just live with a noise until something breaks has failed in my opinion.
Oh right, sorry. I had that reversed apparently. So the Amsoil lowered the idle speed, at least on startup.
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I was researching the best oils, especially in engines that might have a dilution problem and are hard on oil.
This is a critical point. You changed filter type, and you attribute the different experience to the change in oil type.
Squealing and noise on start up are far more likely to be due to oil starvation from a faulty filter. Mobil 1 is hardly “sludge”.
Further, reading a bunch of posts that attribute improvements by virtue of “butt dyno” results is not research, it is simply consuming unsubstantiated opinion. No matter how much unsubstantiated opinion you may read, no evidence has been provided, no conclusions reached, and no research has been accomplished.
Oh I see. What did you find that related a brand to fuel dilution problems?
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Correct. It also eliminated the turbo squeal. Not only did it lower initial idle RPMs/roughness, but also the engine just vibrates less at idle after it's warmed up.
Vibration reduction too. Excellent.
I’m glad the AMSOIL and Bosch are working well for you.
If you like them - stick with them.
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I'd have to go back and look but it was a combination of research on here and YouTube videos. I'm not saying Amsoil was a clear winner based on my research, but it was the first premium oil I figured I would try among what's considered "the best" (HPL, Redline, etc.)
Bingo. It's almost certainly the filter brand changed, and not Amsoil. I'd be very curious to know what oil filters the shops used, quite possibly the cheapest available.
I'm fully unconvinced that Amsoil is a magic elixir. Consider that M1 spends something like 100x R&D budget that Amsoil does and sells exponentially more oil, and is used in racecar engines, and is the standard fill for several major auto makers... M1 is a premium oil (as is Castrol, Pennzoil, Valvoline...). Nothing against Amsoil but nobody is going to convince me it's a "better" oil than the majors...
I would find it a remarkable oddity that M1 motor oil is the culprit here.
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Good insights and I will continue to use the Bosch. Just keep in mind that the squeal still happened right after previous oil changes even with a new (albeit inferior) oil filter. But you may be right...my test is hardly scientific but just my personal experience with a high mileage TGDI engine.
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You may be right but also remember that my car had its oil changed at two different indy shops during this period of "squeal". I know for a fact one of them used Napa Pro Select filters. The other shop? I just confirmed they use Mighty filters. Those new oil filters (even if inferior) didn't make any difference with the squeal.
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But as noted there was a calming of the initial startup behavior and a reduction in vibration.
That would have to be a lot of sludge, probably with the consistency of a sump full of thick paste. The engine would be in pretty sad shape.
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Yes it's possible that the filter played a role.
It was the dealer who ultimately told me that when they couldn't figure it out and to just keep going until something further happens.
I don’t think you can attribute the engine rpm at starting to motor oil.
As for the noise, now to really figure it out you gotta put the old oil filter back on and see if your noise comes back? If it does, put back the new filter. This would provide actual data on the new stuff vs the squeaking noise.
As for the noise, now to really figure it out you gotta put the old oil filter back on and see if your noise comes back? If it does, put back the new filter. This would provide actual data on the new stuff vs the squeaking noise.
I think you’ve found a combination that you like, and that’s what really matters.
Fanboys and haters exist for every brand. Brands of oil. Of trucks. Of everything. Most of those two groups have no real reason for their cheerleading or hatred, so I ignore most of them.
There are a lot of good oils out there. I have some real world experience with Mobil 1. I’ve posted photos on how clean the inside of my V-12s are, you’re welcome to search, and the 0W40 performed well in UOA for those engines. Pennzoil Ultra Platinum has kept the inside of my Tundra clean. None of those engines have any issues and none of them use a drop of oil. I’ve got several cars running HPL - and so far, I’m impressed.
Buy what makes you happy. Call it good.
Definitely keep using that Bosch filter if you do choose to change oil brands - manage the variables for a more accurate comparison.
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The current indy shop uses "Mighty" synthetic oil and filters. My previous shop used Napa Pro Select filters and M1 oil. The squeal started back during my days of the previous shop.
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