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- Mazda CX-9 Signature
http://superoilcentral.com/synthetic-motor-oil-comparison/
I know it's a sponsored page by Amsoil, but it provides useful information comparing other brands. I use the Castrol Edge full synthetic which fairs quite well IMO and from the comparison test. With mostly City driving I burn about 0.4 quarts every 4k miles and catch 1.8ml of blowby
I know it's a sponsored page by Amsoil, but it provides useful information comparing other brands. I use the Castrol Edge full synthetic which fairs quite well IMO and from the comparison test. With mostly City driving I burn about 0.4 quarts every 4k miles and catch 1.8ml of blowby