Subdriver will hook you up with the correct lubes for your ride at a price that is better then most other synthetics . I know because he did great by me. :thumb: :cheers:jz06man said:Anyone try the 5W-40W amsoil oil.
where is there a good vendor/place for oil analysis- Typical costs and turn around time.
The spec is called out in the Owner's Manual and factory shop manual.jz06man said:What is GM Standard 4718M. I assume the Amsoil 5w-30 meets this standard. Does the Amsoil 10w-40 meet?