Originally Posted by OVERKILL
Originally Posted by Quattro Pete
Personally, I don't think this oil is anything special or somehow better than M1 0W-40 or Edge 0W-40. Most likely FCA just cut a deal with SOPUS, so that this SRT oil is the only one that carries the MS-12633 spec.
Yup, and I recall from the previous PDS before they changed the style that the Noack was a fair bit higher than those offerings.
Agreed; it's a marketing thing to require a certain manufacturer's oil…We are in territory here that there are several oils which have not been tested, or which have not paid for the certification that are completely adequate for the job.