Synthetic Oils
March 25th, 2011, 9:24 AM
#11
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Well you should be completely confident in synthetic oils since they have been around and proven in daily use as well as in racing since the early 1970's. Amsoil introduced the first synthetic in 1972 and every major oil manufacturer has come out with a synthetic or blend since then. Try it you'll like it.
March 26th, 2011, 6:58 AM
#12
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Well you should be completely confident in synthetic oils since they have been around and proven in daily use as well as in racing since the early 1970's. Amsoil introduced the first synthetic in 1972 and every major oil manufacturer has come out with a synthetic or blend since then. Try it you'll like it.
March 26th, 2011, 7:34 AM
#13
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GM Approved Engine Oils
Amsoil has been around a while but currently is not on GM's approved oils list, something to keep in mind if you are under a 5yr 100k mile warranty....
http://www.gm.com/corporate/responsi...ngine_oils.pdf
http://www.gm.com/corporate/responsi...ngine_oils.pdf
March 27th, 2011, 8:40 AM
#14
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This may be true. However Amsoil has several API approved and tested products and according to the Magnuson/Moss act of 1975 unless they are providing your oil for you at no cost they cannot tell you what you can or cannot use.
March 28th, 2011, 8:57 AM
#15
Mobil 1 is revered by many, IIRC, also GM.
I'm an AMSOIL user myself, but I don't like their slick-skinned filters, which
tend to back off. I use K&N oil filters, pretty decent in anybody's book.
And I'm still saving 35% of my cost on 3K changes.
I'm an AMSOIL user myself, but I don't like their slick-skinned filters, which
tend to back off. I use K&N oil filters, pretty decent in anybody's book.
And I'm still saving 35% of my cost on 3K changes.
March 29th, 2011, 8:26 AM
#16
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Mobil 1 is highly regarded but here is some interesting reading https://www.amsoil.com/performancete...veOilTest.aspx
I have not heard of filters backing off but who's to say . K&N does make a good filter. So does Wix.
I have not heard of filters backing off but who's to say . K&N does make a good filter. So does Wix.
March 29th, 2011, 2:41 PM
#18
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Only thing Syntehtic tries to sneak in seals in cold weather, my rear end engine seals @ 200,000 Kms LEAKS cause of it and no doubt engine is quieter , using for almost last 12 years on this 1997 astro van.
March 29th, 2011, 7:53 PM
#19
Administrator
If the engine fails and has to be replaced the dealer is most likely going to want proof and records of regular oil changes and the products used.
I don't disagree that Amzoil is a respectable product, but the manufacture/dealer is going to be watching their bottom line and using non supported products is just the out they need.
While under warranty its always a good idea to go with what is recommended and that you can find it in writing
