The answer to your question is both tangible and intangible: tangible--it gives consistently superb UOAs,; it quiets some engines noticeably; it improves gas mileage in others; it is literally a leading-edge high-tech lubricant; intangible: the mystique--it is made in Germany; it is a glorious green in the light; to some it smells like Gummi bears...oh yes, and it is made by Elves in the Black Forest...given all this, what's not to be crazy about?quote:
Originally posted by rekced:
Okay I'm still unclear of why this stuff is so popular. So I now know that the viscocity improvers are a lubricant themselves. Correct?
I find this strange because I've seen some people on this forum refer to 5W/40 Castrol Syntec sold at VW dealerships as "GC".
I'm not doubting anyone about the quality of this oil, just wondering if it's worth the extra time and money to find. I feel kind of left out with all the excitement.