On Sat, 30 Sep 2006 19:49:23 -0700 David Brodbeck <[EMAIL PROTECTED]> wrote:
> Peter Frederick wrote: > > And a compression ratio of what, 12:1? My point is the much higher > > compression ratio (hence higher loading) and film strength in the > > crankpin journal bearing. > > But that would have more to do with the "40" part than the "0W" part, > right? I thought the "W" part of the designation had more to do with > the low temperature pour point than the lubricating qualities when the > engine is hot. It also relates to the lubricating properties when the oil is cold. Craig
