So if we look at the data from 'display name' the only oil that meets the 229.5 or 229.3 spec is the Mobil1. For the SRT's it needs to meet the 229.5 spec and that is Mobil1. You can go to the 'acceptable' SL spec and the Rotella T is okay. Guess I'll just use the Mobil1 for now.

MikeR