Does anybody have any idea if Amsoil is better than Mobil 1 to run in 97' - 03' Vettes. Amsoil claims to be a better synthic oil. It's a little cheaper too. Any thoughts.

 

TTT
:lurk:

 

Is your car under warranty? If so, you want to be sure that whatever oil you put in meets GM Specification 4718M. Mobil 1 does meet this specification. Use of a lubricating oil that is not labeled with this spec may cause problems for you if you make a claim for engine work under your warranty.

Otherwise, it is your car, put whatever you want in it.

Steve

 

Cheaper :confused: Where are you buying from?

 

The shop manual specifies 5W-30 oil that meets GM Specification 4718M. The shop manual also states that all Corvette engines are filled at the factory with Mobile 1 synthetic oil that meets all requirements of GM-4718M.

As Mobile 1 is generally available, and given the frequency of oil changes, I am not sure any significant savings accrue from using alternative oils.

 

Amsoil had a definite advantage over M-1 Tri-Syn. However, the new M-1 Super Syn is now showing better analysis results then Tri-Syn. If you look at the specifications, Amsoil is upper to mid 30 weight whereas Mobil-1 is low 30 weight, almost 20 weight. That was important to me. Also, the Noack volatility of the Mobil-1 is higher then Amsoil so it will promote higher oil usage. If you go to Amsoil, I would recommend the 5W-30 or 10W-30 rather then the 0W-30 Series 2000. My oil analysis using the Amsoil 5W-30 was excellent after 6,200 miles of use last year.

I don't generally push or promote a product, but will provide information so someone can form their own opinion.


[Modified by vettenuts, 6:24 AM 6/2/2003]

 

Read it and weep. http://www.amsoil.com/performancetes..._vs_mobil1.htm
Not even close! Amsoil all the way.Go to Mobil 1 site & see if they have a chart that says they are better.NOPE!


[Modified by IMQUIK, 2:38 PM 6/2/2003]

 

From the Corvette shop manual (page 0-39 of 2003 manual):

Oil meeting GM Specification 4718M required.

SAE 5W-30 is the ONLY viscosity grade recommended.

If the temperature is above 0 F, then SAE 10W-30 (GM4718M) is acceptable if SAE 5W-30 is NOT available.

Areas where the temperature falls below -20 F, either SAE 5W-30 or SAE 0W-30 (GM4718M), recommended.

Do not use other viscosity grade oils such as SAE 10W-40 or SAE 20W50 under any conditions.


[Modified by mapman, 10:50 AM 6/3/2003]

 

Well, Amsoil says their product is better than Mobil 1. Isn't that surprising! I got a bridge for sale in Brooklyn. :D

 

That brings up a good point. I would sure like to see some independent testing done. Also what some of these tests really mean in the real world. I don't really need tires rated at 400 MPH if they cost a lot more than those rated at 187MPH.

 

The testing done by Amsoil is really done by an independant lab FOR Amsoil!! Thus, the test data is not skewed as has been implied. As far as "real world" applicability of test data, the ASTM tests have been designed to provide a basis for comparison that will indicate real world performance.

In the case of volatility, this will tell you how the oil holds up to heat, four ball wear test will tell you comparatively how well the oil lubricates under consistant conditions. There have been tests in engines at independant locations, and those results are available on the Amsoil web site as well.

You may question why the others don't refer to these tests and their results, if my product was tested and found inferior to another manufacturers, I would not refer to the test results either!

:cheers:

 

I don't want to beat this to death but independent test aren't considered independent if they are paid for by a single interested party.

:)




[Modified by Richin Chicago, 12:31 PM 6/2/2003]

 

I would NEVER buy Amsoil. ever!!!

I don't buy stuff from pyramid schemes from a faker that is only a marketing company.

Mobil is an OIL company!!

 

:lolg: :lolg: :lolg: :lolg: :lolg: :lolg: :lolg: Still spanks Mobil 1!! :lolg:

 

I might try Amsoil in my car if it didn't fail so bad in my racing snowmobile, never had a problem with the motor (1000cc 265 hp. 510LBS total sled weight, you do the hp to weight) until I tried Amsoil racing oil, called them several times and was told to send in the bad parts for them to check. After that I had a bad feeling about their oil , plus it's more money than the Mobile. :confused: :confused:

 

[

I don't want to beat this to death but independent test aren't considered independent if they are paid for by a single interested party.

:)

I am sure that is your opinion, however, any independant lab that would knowingly skew data to provide incorrect results in the payors favor would not be in business very long, nor would they maintain their ASTM or any other certifications they may have. There are many very strict controls including audits to ensure this type of inpropriety does not occur.

I have worked with suppliers that attempted some level of inpropriety, and they quickly became debarred or went out of business once the word hit the street.

What amazes me is the level of concern that people have about testing like this for an oil, yet many of us are willing to believe a vendor's claim of increased horsepower for a product without any test basis, and spend a lot of money for that product that is not proven!

I am a chemical engineer, and have spent a lot of time evaluating lubrication products on the basis of test data. I have made an educated decision to use Amsoil products on that basis. Based on the data available, Amsoil is superior to anything else on the market today. If I should be presented with data to the contrary, I will change my endorsement as appropriate to the data presented and it's validity.


[Modified by Richin Chicago, 12:31 PM 6/2/2003][/QUOTE] :cheers: :cheers:

 

In my opinion, since most of this is opinion, you need to look at used oil analysis and the results for the LS-1. There is currently an oil study taking place on a LS-1 Camaro by the Paradise Garage. You will find the link below. Right now they are testing Mobil-1. Next test will be Amsoil and then Redline. Problem is, you will need to wait for some time before you have the answers. There is also a very extensive oil filter test going on as well on another site.

I chose Amsoil over Mobil-1 because of the high temperature viscosity. Mobil is too close to a 20 weight oil and I feel more comfortable with the additive package and the high temperature viscosity of Amsoil. Here is the web site with the study:

http://neptune.spacebears.com/cars/s.../oil-life.html

 

:skep: :rolleyes: :leaving: These guys have the same problem as you...NOT http://www.amsoil.com/snocross/index.htm

 

It's very obvious you don't know what your comparing, your comparing a cross country sled built to last days to a sled that runs low 9 sec runs in the 150mph area, coming up in July one of the biggest snowmobile drag races will happen in NY and you can take it to the bank that you won't find Amsoiol their.

 

Mobil 1 has flash point over 450 Degrees :yesnod: You are wasting money buying Amsoil, as you will never see 450 degree temps in oil :smash: