Right now, as far as I'm concerned, there is only ONE Castrol 0w30 being sold by Castrol North America, and it's made in Germany and is nothing but Formula SLX bottled as Syntec. Anything else on the shelves is either (1) the old yellow label domestically produced 0w30, or (2) domestically produced 0w30 that got the new Syntec label before the German stuff hit the market.quote:
Originally posted by YZF150:
Right. But,
1. That language on the website now cannot be truthfully referring to the German oil because the German oil is not GF-3, and
2. Are we to believe that the domestically produced Syntec 0w-30 has been reformulated? It couldn't comply with all of those specs before, could it?
Only time will tell how this "German 0w30" is going to play out.