Synthetic Oil for 370z; Amsoil?

davidyan · 07-09-2009, 01:04 AM

Quote:

Originally Posted by 09370z

After reading up on some other threads, does anyone know if the Amsoil is an ester based oil?

Also, cossie1600, how much did it go up?

From what I understand its a Group 4 oil that either doesnt have ester or has an ester additive which is different from ester based.

Some people seemed to have good results with Redline which from what I recall is ester-based. I'm in the process of doing some in-depth research on oils and plan on contacting all of the vendors. Will report back in the next couple weeks or so...

NIZMOZ · 07-09-2009, 08:13 AM

Quote:

Originally Posted by LiquidZ

Correct. Amsoil is a group 4 with ester additives.

Competitors such as Royal Purple, Redline and Motul are all group 5 ester based oils.

Actually that isn't correct. RP, REdline and Motul 300V only are Group 4 based oils with Amsoil.

Amsoil XL line is a Group 3/4.

NIZMOZ · 07-09-2009, 02:54 PM

Quote:

Originally Posted by LiquidZ

From Redline's website Red Line Oil: Motor Oil:

Regarding Royal Purple: Royal Purple not for your Dakota - Off Topic

Regarding Motul: Motul 300V - Bob Is The Oil Guy

I have been on that site for many years and will tell you it is a Group 4 not a 5. Read more than just a few posts into it and look at the lab results. Group 4 with some PAO in the oil. RP isn't even close to Group 5 it is more of a Group 3 oil in tests done. And sales marketing will put anything on their labels to make you think it is a Group 5 when in reality and tests show it isn't.

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