Mobil 1 or Amsoil XL

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Originally Posted By: johnnydc
Not to start trouble. Use the Mobil 1. Amsoil is over rated.

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Sorry folks. Just sayin' my peace. there is alot of bashers off Mobil 1 and such. I'm not bashing Amsoil. I'm sure they have great products. Just gets old hearing the same thing. Just 'cause it costs more, dosn't mean it's better. Most of the big oil companies have lots of coin for R&D and testing.Just because the base oils might be grp3, don't make it [censored] either. Again, Not saying Amsoil's bad stuff. I see some posts where folks get it cheaper than Mobil 1. I've looked into doing the Amsoil thing several times and every time I do the math, it cost more for Amsoil. And as far as the 25,000 mile thing. That's only in ideal cases that will work. Very small % of cars and light trucks can go that far on any oil. I don't care if it's the apostles synthetic company.
By the way I read alot of the posts here and find most of you are oil nuts like I am. Nice to see I'm not alone.
 
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Originally Posted By: johnnydc
Sorry folks. Just sayin' my peace. there is alot of bashers off Mobil 1 and such. I'm not bashing Amsoil. I'm sure they have great products. Just gets old hearing the same thing. Just 'cause it costs more, dosn't mean it's better. Most of the big oil companies have lots of coin for R&D and testing.Just because the base oils might be grp3, don't make it [censored] either. Again, Not saying Amsoil's bad stuff. I see some posts where folks get it cheaper than Mobil 1. I've looked into doing the Amsoil thing several times and every time I do the math, it cost more for Amsoil. And as far as the 25,000 mile thing. That's only in ideal cases that will work. Very small % of cars and light trucks can go that far on any oil. I don't care if it's the apostles synthetic company.
By the way I read alot of the posts here and find most of you are oil nuts like I am. Nice to see I'm not alone.


Yeah oil companies have a lot of money to spend, but Amsoil is not exactly hurting either, the most important factor to consider is not how much money but how well the resources are being used.
 
I'm looking for a reason to stop using Mobil 1 in my vette. One reason other then delivery is the cost. When Mobil is on a huge sale somewhere then its cheaper. Otherwise the Amsoil is equal to or the better buy. When I order its not just for one vehicle. I also hate shopping in stores. I like Amsoil products a lot. Just wanted to make sure Amsoil Xl and Mobil 1 is a heads up equivalent.
 
Hate going to a store to buy it. Don't have the confidence in it like I do Amsoil products. Price. Unless you spend time looking for sales and driving somewhere and such. I always hear what a great buy Mobil 1 is but I don't find that. I would buy it at either Walmart or O'reilly's. I never see Mobil as a great buy at either when I do go into one of those places.
 
Originally Posted By: hounddog
I never see Mobil as a great buy at either when I do go into one of those places.


That is so freaking weird. That is ONE of the reasons I do buy it. The quality of oil is great. Maybe the THEE best, like not as "good" as Amsoil or Redline, but I can buy it nearly any store that carries oil. I purchase 5 quarts of Mobil 1 oil for less than $30 with tax out the door every time. All flavors.

The only thing that isn't cheap, the the 0w50 M1R that I buy a few quarts of occassionally. But that's a true Ester race oil....and it's only $14/quart.
 
Originally Posted By: hounddog
Hate going to a store to buy it. Don't have the confidence in it like I do Amsoil products. Price. Unless you spend time looking for sales and driving somewhere and such. I always hear what a great buy Mobil 1 is but I don't find that. I would buy it at either Walmart or O'reilly's. I never see Mobil as a great buy at either when I do go into one of those places.


You must be new to synthetic oils. In the late 70s I used Amsoil for one year and paid $5 a qt. In 78 I switched to M1 and paid $5 a qt. Now 34 years later I buy Mobil 1 0w20 at Walmart for about $5.50 a qt. A good buy to me.
 
Originally Posted By: Pablo
Difference - performance wise Amsoil XL is at least as good as regular M1. I say "better", but that's hard to quantify. XL seems to hold the edge when looking at used oil analysis.

This is just my opinion but:
Since both brands have a "limited warranty" of use (at least for EP) the severe service recommendations are very important to the company and not just marketing numbers.
I'm aware you shouldn't blindly follow these suggested service intervals as you may be able to extend OCI's but it gives a good comparison:
  • AMSOIL OE - Change as required by OEM
  • Mobil 1 - Change as required by OEM
  • AMSOIL XL - 10,000-miles/6-months
  • AMSOIL Signature Series - 15,000-miles/1-year
  • Mobil 1 Extended Performance - Severe suggests following OEM, otherwise 15,000-miles/1-year
    Originally Posted By: mobiloil.com
    Follow your owner’s manual if the vehicle is operated in any of the following severe services: racing or commercial applications including taxis, limousines, etc.; frequent towing or hauling; extremely dusty or dirty conditions; or under excessive idling conditions.
    http://www.mobiloil.com/USA-English/MotorOil/Oils/Mobil_1_Extended_Performance_Warranty.aspx
Since most vehicles in NA run in the severe service category from the manufacturer that is disappointing language in the warranty.
 
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