Mobil one noise want better options.

[jayg]

Originally Posted By: fdcg27
I was replying to what I thought was a silly post from a newbie, not a guy running old oil in an old Z who also has (had?) an old Ferrari in his garage.
I was writing for everyone in the thread.


No problem I just wanted to make the connection.

The Ferrari is sold and just the Datsun is filling the junky old sports car department at the moment.

 

[AIRJAC3]

Quote:



Mobil 1 can withstand high revving GT Corvette race cars at LeMans but can't take your [censored] to work in an economy car without causing catastrophic engine wear and noise?

LOL


Preach!

These are daily drivers. It's not complicated. Find an oil that meets your spec and warranty and call it a day...

 

[Merkava_4]

Originally Posted By: aquariuscsm
To me,a smooth and quiet engine is a happy engine. If moving parts are noisy,I just feel that something isn't right.


Exactly. A quiet engine means it's getting properly lubricated.

 

[jayg]

Originally Posted By: Merkava_4
Originally Posted By: aquariuscsm
To me,a smooth and quiet engine is a happy engine. If moving parts are noisy,I just feel that something isn't right.


Exactly. A quiet engine means it's getting properly lubricated.


No, not necessarily. You could be getting excellent lubrication but you have a stuck lifter,need a valve adjustment, noisy fuel injectors on modern DI cars that people confuse for valve noise, etc, etc.

If this engine is making that noise with Mobil 1 then it is either going to make that noise with any other comparable fully synthetic motor oil or it needs hardware replaced.

 

[ram_man]

Originally Posted By: jayg
Originally Posted By: Merkava_4
Originally Posted By: aquariuscsm
To me,a smooth and quiet engine is a happy engine. If moving parts are noisy,I just feel that something isn't right.


Exactly. A quiet engine means it's getting properly lubricated.


No, not necessarily. You could be getting excellent lubrication but you have a stuck lifter,need a valve adjustment, noisy fuel injectors on modern DI cars that people confuse for valve noise, etc, etc.

If this engine is making that noise with Mobil 1 then it is either going to make that noise with any other comparable fully synthetic motor oil or it needs hardware replaced.


Or maybe the oil allows more noise to be heard??? The engine is pretty new and had absolutely zero issues. I bet I change the oil and that slight noise is gone

 

[OVERKILL]

Originally Posted By: ram_man
Originally Posted By: jayg
Originally Posted By: Merkava_4
Originally Posted By: aquariuscsm
To me,a smooth and quiet engine is a happy engine. If moving parts are noisy,I just feel that something isn't right.


Exactly. A quiet engine means it's getting properly lubricated.


No, not necessarily. You could be getting excellent lubrication but you have a stuck lifter,need a valve adjustment, noisy fuel injectors on modern DI cars that people confuse for valve noise, etc, etc.

If this engine is making that noise with Mobil 1 then it is either going to make that noise with any other comparable fully synthetic motor oil or it needs hardware replaced.


Or maybe the oil allows more noise to be heard??? The engine is pretty new and had absolutely zero issues. I bet I change the oil and that slight noise is gone


Well, given you said the noise doesn't happen until ~4K is on the oil, then yes, I would expect if you changed it that the noise would go away as per what you've already indicated

 

[PeterPolyol]

Someone told me that elastohydrodynamic properties are not represented in KV data and since HTHS data is measured at one specific condition, that outside of specific ASTM HTHS tests the EHD properties of finished lubricants can vary widely.

 

[demarpaint]

Originally Posted By: OVERKILL


Well, given you said the noise doesn't happen until ~4K is on the oil, then yes, I would expect if you changed it that the noise would go away as per what you've already indicated

Good point, maybe when the noise starts at about 4K miles a sample of the oil should be taken and sent for a UOA. That might shed some light on the matter.

 

[Merkava_4]

Originally Posted By: OVERKILL
Well, given you said the noise doesn't happen until ~4K is on the oil, then yes, I would expect if you changed it that the noise would go away as per what you've already indicated

Exactly. That tells me the oil is warn out at 4K from viscosity breakdown and thus the noise. If the guy didn't wait until 7.5K to change the oil -- or -- if the oil was a thicker grade to begin with -- he wouldn't be having the noise.

 

[OVERKILL]

Originally Posted By: Merkava_4
Originally Posted By: OVERKILL
Well, given you said the noise doesn't happen until ~4K is on the oil, then yes, I would expect if you changed it that the noise would go away as per what you've already indicated

Exactly. That tells me the oil is warn out at 4K from viscosity breakdown and thus the noise. If the guy didn't wait until 7.5K to change the oil -- or -- if the oil was a thicker grade to begin with -- he wouldn't be having the noise.


Or it is getting laden with fuel to the point where enough viscosity reduction has occurred to make it audible. If he did a UOA, it would at least give us an idea as to visc loss and fuel contamination.

 

[Bgallagher]

Originally Posted By: OVERKILL
Originally Posted By: jayg
Originally Posted By: OVERKILL


Yes, the op's car is the naturally aspirated 2.0L version IIRC.


Essentially it is the new Neon. No reason not to grab whatever the cheapest name brand conventional that meets the specs and run it. If you feel you must run a synthetic (you dont) please don't overpay.

My opinion on all these threads: The perceived noise from M1 AFE is doing no harm. At all.


We share the same sentiment

+1 I can understanding the use of synthetics etc. but at this point conventional oil specs are just as good if not close to synthetics. I would run the cheapest conventional oil that meets the specs and enjoy. Pennzoil makes some nice oils that should suit the need

 

[demarpaint]

Originally Posted By: Merkava_4
Originally Posted By: OVERKILL
Well, given you said the noise doesn't happen until ~4K is on the oil, then yes, I would expect if you changed it that the noise would go away as per what you've already indicated

Exactly. That tells me the oil is warn out at 4K from viscosity breakdown and thus the noise. If the guy didn't wait until 7.5K to change the oil -- or -- if the oil was a thicker grade to begin with -- he wouldn't be having the noise.


I was thinking the same thing, maybe for some reason the oil is beat after 4K miles. A UOA might shed some light.

 

[Merkava_4]

Originally Posted By: OVERKILL
Or it is getting laden with fuel to the point where enough viscosity reduction has occurred to make it audible. If he did a UOA, it would at least give us an idea as to visc loss and fuel contamination.


Either way the oil is too thin at 4K. Case closed.

 

[jayg]

Originally Posted By: Merkava_4
Originally Posted By: OVERKILL
Or it is getting laden with fuel to the point where enough viscosity reduction has occurred to make it audible. If he did a UOA, it would at least give us an idea as to visc loss and fuel contamination.


Either way the oil is too thin at 4K. Case closed.

But you don't know that. I seriously doubt that a modern fuel injected economy car has thrashed Mobil 1 to unusable state in 4,000 miles. I would bet if you did a UOA (waste of money in this case IMO), the TBN would still be very strong and the oil be recommended to keep going for several more thousands of miles. I can't think of a scenario where that motor would be able to have fuel dilution bad enough to roach out M1 in 4k miles other than the injectors leaking all the time. Still in that case, no oil is going to fix that.

 

[demarpaint]

Originally Posted By: jayg
Originally Posted By: Merkava_4
Originally Posted By: OVERKILL
Or it is getting laden with fuel to the point where enough viscosity reduction has occurred to make it audible. If he did a UOA, it would at least give us an idea as to visc loss and fuel contamination.


Either way the oil is too thin at 4K. Case closed.

But you don't know that. I seriously doubt that a modern fuel injected economy car has thrashed Mobil 1 to unusable state in 4,000 miles. I would bet if you did a UOA (waste of money in this case IMO), the TBN would still be very strong and the oil be recommended to keep going for several more thousands of miles. I can't think of a scenario where that motor would be able to have fuel dilution bad enough to roach out M1 in 4k miles other than the injectors leaking all the time. Still in that case, no oil is going to fix that.


There could also be an issue, like a bad or borderline injector/injectors. A UOA will certainly put that to rest. As you said if there is an injector problem, no oil will fix it, but knowing there's a problem the OP can take action.

 

[jayg]

Originally Posted By: demarpaint


There could also be an issue, like a bad or borderline injector/injectors. A UOA will certainly put that to rest. As you said if there is an injector problem, no oil will fix it, but knowing there's a problem the OP can take action.


But just to circle back to the beginning, that would have nothing to do with Mobil 1's ability or inability to provide adequate lubrication for the motor which is what many were inferring is the reason for the ticking.

 

[demarpaint]

Originally Posted By: jayg
Originally Posted By: demarpaint


There could also be an issue, like a bad or borderline injector/injectors. A UOA will certainly put that to rest. As you said if there is an injector problem, no oil will fix it, but knowing there's a problem the OP can take action.


But just to circle back to the beginning, that would have nothing to do with Mobil 1's ability or inability to provide adequate lubrication for the motor which is what many were inferring is the reason for the ticking.


I'm almost certain Mobil 1 is not the problem here. I used it for years w/o issue, as have thousands of our members. A UOA would rule out the possibility of a mechanical issue, which is why I'm suggesting it. Now if the UOA comes back fine, and a different brand of oil quiets things down for a few OCI's then it wouldn't be looking so good for Mobil 1 in this application.

 

[Jetronic]

Originally Posted By: PeterPolyol
Someone told me that elastohydrodynamic properties are not represented in KV data and since HTHS data is measured at one specific condition, that outside of specific ASTM HTHS tests the EHD properties of finished lubricants can vary widely.


EHD lubrication in an engine is only of real importance for ball or roller bearings. It certainly isn't a regime you want to be in for your main or big end bearings.

 

[Merkava_4]

Originally Posted By: jayg
But you don't know that. I seriously doubt that a modern fuel injected economy car has thrashed Mobil 1 to unusable state in 4,000 miles. I would bet if you did a UOA (waste of money in this case IMO), the TBN would still be very strong and the oil be recommended to keep going for several more thousands of miles. I can't think of a scenario where that motor would be able to have fuel dilution bad enough to roach out M1 in 4k miles other than the injectors leaking all the time. Still in that case, no oil is going to fix that.


You guys will think of any excuse you can for Mobil 1.

 

[4WD]

I'd defend several proven makes against subjective information ... Where other folks take a liking to this feel good stuff ...