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Got the results back from Atlantic Cat. Dropping off on a Friday at 11:00 and getting the results emailed by 4 pm on Saturday is impressive. I placed the results in the 1.4T Used Oil Analysis, Next time I will indicate that I did not change the oil and filter and see if the report will show oil life remaining attributes. There are no ISO values, but this did indicate soot levels, which would be useful for the CTD folks especially.

http://www.cruzetalk.com/forum/34-1-4l-turbo/79866-1-4t-used-oil-analysis-thread-5.html#post2255465
 

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Discussion Starter #87
Got the results back from Atlantic Cat. Dropping off on a Friday at 11:00 and getting the results emailed by 4 pm on Saturday is impressive. I placed the results in the 1.4T Used Oil Analysis, Next time I will indicate that I did not change the oil and filter and see if the report will show oil life remaining attributes. There are no ISO values, but this did indicate soot levels, which would be useful for the CTD folks especially.

http://www.cruzetalk.com/forum/34-1-4l-turbo/79866-1-4t-used-oil-analysis-thread-5.html#post2255465
As I noted in that thread, a great looking report.
 

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I have a 2011 with 1.4l turbo. I've always used Mobil 1 and kept up with oil changes. The car has 133K miles and great oil reports from Blackstone in the past.
I recently changed to Amsoil 5w30 SS. The engine has been developing all sorts of valve train noise and other bottom end sounds after about 2 weeks from the switch to Amsoil that were never there prior. There is less than 4K on the oil now ( about 3 months). It started out very subtle but is very notable at this point. I've changed the filter as a precaution but really don't believe it's clogged. I've just sent out another sample to be tested and am not really driving the car. ( I lucky have other options right now).

Anyone ever experience anything similar? I'm new to being an Amsoil Dealer and the engine noise is worrying me a bit. No engine codes being thrown.

I am using Amsoil in my Silverado with no issues so far, I am very happy with the way the transfer case and transmission now shift. I haven't had time to do the fluid change in the differential but I expect good results there too.

Thanks, Mike
 

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Discussion Starter #89
I have a 2011 with 1.4l turbo. I've always used Mobil 1 and kept up with oil changes. The car has 133K miles and great oil reports from Blackstone in the past.
I recently changed to Amsoil 5w30 SS. The engine has been developing all sorts of valve train noise and other bottom end sounds after about 2 weeks from the switch to Amsoil that were never there prior. There is less than 4K on the oil now ( about 3 months). It started out very subtle but is very notable at this point. I've changed the filter as a precaution but really don't believe it's clogged. I've just sent out another sample to be tested and am not really driving the car. ( I lucky have other options right now).

Anyone ever experience anything similar? I'm new to being an Amsoil Dealer and the engine noise is worrying me a bit. No engine codes being thrown.

I am using Amsoil in my Silverado with no issues so far, I am very happy with the way the transfer case and transmission now shift. I haven't had time to do the fluid change in the differential but I expect good results there too.

Thanks, Mike
Mind elaborating on the engine noise? The oil itself won't cause any noise unless you used the wrong viscosity, and there are hundreds of Cruze owners using this oil. I've been using it in my Cruze for close to 25,000 miles. My last change went up to 15,622 miles. Mind posting your last Blackstone report in a new thread? You could be experiencing a problem totally unrelated to the oil.
 

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I have a 2011 with 1.4l turbo. I've always used Mobil 1 and kept up with oil changes. The car has 133K miles and great oil reports from Blackstone in the past.
I recently changed to Amsoil 5w30 SS. The engine has been developing all sorts of valve train noise and other bottom end sounds after about 2 weeks from the switch to Amsoil that were never there prior. There is less than 4K on the oil now ( about 3 months). It started out very subtle but is very notable at this point. I've changed the filter as a precaution but really don't believe it's clogged. I've just sent out another sample to be tested and am not really driving the car. ( I lucky have other options right now).

Anyone ever experience anything similar? I'm new to being an Amsoil Dealer and the engine noise is worrying me a bit. No engine codes being thrown.

I am using Amsoil in my Silverado with no issues so far, I am very happy with the way the transfer case and transmission now shift. I haven't had time to do the fluid change in the differential but I expect good results there too.

Thanks, Mike
I will say when I went from amsoil signature to royal purple , when I first started it up the royal purple was noticeably quieter however the Amsoil was at the end of its life and it was hot . Also the accuracy of DB level is as calibrated as my butt dyno.
 

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Blackstone report pre Amsoil

This is the Blackstone report done when switching over to Amsoil. 3 months already.... Where does the time go. I'm at 134K now. I'll try and get a video/audio of the noise. I know it's very hard to translate an engine noise experience over video vs in person.

I just sent out another Sample, I'm hoping it comes back okay. Hopefully It's just something along the line of Amsoil viscosity being much lighter and not absorbing valve train and other engine noises. The report shows that the Mobil 1 5w30 was testing more like a 0w40. I might drain and refill with Mobil 1 again just to satisfy my curiosity about noise dampening theory when the report comes back (if it come back good).

Thanks, Mike
 

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Discussion Starter #92 (Edited)
This is the Blackstone report done when switching over to Amsoil. 3 months already.... Where does the time go. I'm at 134K now. I'll try and get a video/audio of the noise. I know it's very hard to translate an engine noise experience over video vs in person.

I just sent out another Sample, I'm hoping it comes back okay. Hopefully It's just something along the line of Amsoil viscosity being much lighter and not absorbing valve train and other engine noises. The report shows that the Mobil 1 5w30 was testing more like a 0w40. I might drain and refill with Mobil 1 again just to satisfy my curiosity about noise dampening theory when the report comes back (if it come back good).

Thanks, Mike
The viscosity is actually thicker on that sample than Mobil 1 is when new. That oil starts with a 100C cSt viscosity of 10.1 You're still within spec, but it's close to a 40 weight oil. I haven't yet seen it thicken quite that much. Usually AMSOIL is in the 11.x range after a 15k mile interval. I'd say your noise is totally unrelated to switching from one oil to another.

I've heard the noise comment on other vehicles. I do know that the film strength of AMSOIL's Ester oil is higher. Some of my 300ZX customers hear distinctly different sounding valvetrains when switching to our oil over another.

I haven't had time to research this, but I was told by someone that Redline shockproof gear oil includes paraffin based oils blended in to absorb more shock and impact in high pressure conditions. I wonder if the synthetic base oils don't absorb as much and sound louder as a result. I'm not entirely sure. This isn't an area I've studied much. Imagine laying various materials on a metal table and hitting them with a hammer. The sound will change based on the material. It's a crude explanation for something I can't yet explain technically. I do know I've heard the report in other cars.

That said, in your specific instance, M1 was almost an entire viscosity grade thicker at 10k miles than when it went in, which might be the difference you're hearing when putting fresh oil in. The two oils do use notably different base oil formulations.
 

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I do know the base oil of AMSOIL SS is much stronger, so the oil itself may not be absorbing as much noise, with the result being better protection.
For practical purposes, engine oils are regarded as non compressible fluids. I'm not sure how one oil would be considered "stronger" than another?

WRT viscosity vs engine noises, I've personally witnessed thinner oils quieting valve train noises in two different engines. In previous discussions centered around piston slap issues, Robby offered that thinner oils tend to reduce noises on startup due to the oil slinging more freely off the crankshaft, coating the cylinder walls quicker. Thinner oil will tend to pump up hydraulic valve train components quicker as well, reducing valve train startup noise.

Why a thinner oil would increase engine noise is beyond me, unless there's a hard knock in the bottom end or something, but that would be an extreme case not typical of a relatively new car.
 

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Discussion Starter #94 (Edited)
For practical purposes, engine oils are regarded as non compressible fluids. I'm not sure how one oil would be considered "stronger" than another?

WRT viscosity vs engine noises, I've personally witnessed thinner oils quieting valve train noises in two different engines. In previous discussions centered around piston slap issues, Robby offered that thinner oils tend to reduce noises on startup due to the oil slinging more freely off the crankshaft, coating the cylinder walls quicker. Thinner oil will tend to pump up hydraulic valve train components quicker as well, reducing valve train startup noise.

Why a thinner oil would increase engine noise is beyond me, unless there's a hard knock in the bottom end or something, but that would be an extreme case not typical of a relatively new car.
It is a pretty common belief among some automotive groups that thicker oils reduce valvetrain noise. I can't exactly explain why but it's far too widely discussed to write off as simply anecdotal.

I may not have been clear in my last post as I was half paying attention while writing it. I'll review and edit as necessary.
 

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I will be for contacting you Xtreme when I am ready to do my first oil change on this car so I can order some OE oil and 75W-90 manual trans fluid to change it out as well since the car will be on ramps. I have learned so much so far on here and can't wait to keep improving my car.
 

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Discussion Starter #96
I will be for contacting you Xtreme when I am ready to do my first oil change on this car so I can order some OE oil and 75W-90 manual trans fluid to change it out as well since the car will be on ramps. I have learned so much so far on here and can't wait to keep improving my car.
Sounds good, I'll keep an eye out for the message.

Sent from my LG-D850 using Tapatalk
 

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Are you out there Xtreme? I am needing to order Amsoil fluids and some other stuff, I need it before Thanksgiving so I can do it over the break. I want to give you the business, but am running out of time
 

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Are you out there Xtreme? I am needing to order Amsoil fluids and some other stuff, I need it before Thanksgiving so I can do it over the break. I want to give you the business, but am running out of time
Sorry about that, yes was out on some vacation time. I'm back, and can definitely get you whatever you need by Thanksgiving. Sent you a PM.
 

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Xtreme, what do you suggest for the oil filter, WIX, AMSOIL or ACDELCO?

I am thinking to switch to Amsoil from Pennzoil Ultra and I have been doing my oil changes based on the OLM = 15% which came out to about 7000 miles twice a year. I have been using the ACDelco stock paper filter.

I am not a big fan of using the same filter for an entire year. Amsoil SS spec says it should last for 15K miles or 700 hours in severe conditions which is exactly what I am doing in one year.

Severe Service – Up to 15,000 miles, 700 hours of operation or one year, whichever comes first.Severe Service: Primarily short trips (less than 10 miles [16 km]); turbo/supercharged engines; commercial or fleet vehicles; excessive idling; first-time use of AMSOIL motor oil in a vehicle with more than 100,000 miles; frequent towing, hauling, plowing or driving in dusty conditions.

So, should I expect 1 oil + filter change per year or stick to my regular change intervals?

Thank you!
 

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Discussion Starter #100
Xtreme, what do you suggest for the oil filter, WIX, AMSOIL or ACDELCO?

I am thinking to switch to Amsoil from Pennzoil Ultra and I have been doing my oil changes based on the OLM = 15% which came out to about 7000 miles twice a year. I have been using the ACDelco stock paper filter.

I am not a big fan of using the same filter for an entire year. Amsoil SS spec says it should last for 15K miles or 700 hours in severe conditions which is exactly what I am doing in one year.

Severe Service – Up to 15,000 miles, 700 hours of operation or one year, whichever comes first.Severe Service: Primarily short trips (less than 10 miles [16 km]); turbo/supercharged engines; commercial or fleet vehicles; excessive idling; first-time use of AMSOIL motor oil in a vehicle with more than 100,000 miles; frequent towing, hauling, plowing or driving in dusty conditions.

So, should I expect 1 oil + filter change per year or stick to my regular change intervals?

Thank you!
AMSOIL doesn't make a filter for the 1st gen Cruze.

You should expect a filter change mid-way through a 15,000 mile interval if you want to get the most out of this oil.
 
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