GM Oil Monitor and oil changing
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Senior Member
Joined: 08-19-2007
Posts: 829
From: So.Cal.
Just a note that the amount of ZDP in SM oils vs SL oils has come down dramatically...if I'm not mistaken it was due to the extra wear and tear on cat converters...wondering how GM adjusted for that since this articles seems to focus on ZDP
I'm sure there have been adjustments but wonder if there is an updated article on how it all works
Goose
I'm sure there have been adjustments but wonder if there is an updated article on how it all works
Goose
Platinum Member
Joined: 05-09-2006
Posts: 6,805
From: "Upland" Mesa, Arizona
He is some additional info on the Oil Life Monitors if you are interested. It is produced by Amsoil, which is a good product under a questionable marketing skeem...imo and no offense to those who use it.
http://www.upmpg.com/lubricationnews..._oil_light.htm
http://www.upmpg.com/lubricationnews..._oil_light.htm
Senior Member
Joined: 08-17-2006
Posts: 1,851
From: Ottawa, Ontario
I find it humourous that Amsoil talks about using their products in GM vehicles, but they are not listed by GM as an approved motor oil.
Amsoil says their products meet GM 6094M and 4718M but I guess they haven't submitted samples to get on the list.
I agree about the marketing scheme. Done better than Amway, but still...
Amsoil says their products meet GM 6094M and 4718M but I guess they haven't submitted samples to get on the list.
I agree about the marketing scheme. Done better than Amway, but still...
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