- May 4, 2003
- southeast US
In the meantime I found out that WS is 25 cSt at 40C. Lower than D6 (30 cSt @40C). So, WS should be more fuel efficient.
Originally Posted By: friendly_jacek
Interesting. We know WS viscosity at 100C (from VOA/UOA). But we don't know the 40C and -40C numbers. D6 must be much better in that regard.