Originally Posted By: Quattro Pete
IIRC, Johnny confirmed with SOPUS that the only difference between T6 and the previous CJ-4 version is the label, which means this oil's been around for more than a year now and there are quite a few UOAs out there, including one of mine, but I'm not sure if you're strictly looking at diesel UOAs. Mine was on a gasser.
It was more than just the label, but it wasn't a totally different oil. T6 has different flow characteristics than RTS.