Re: 0-40 synthetic oil

Posted by txblu on December 12, 2004 at 04:46:25 from (209.151.115.92):

In Reply to: Re: 0-40 synthetic oil posted by Jon H on December 11, 2004 at 10:45:49:

Hi Jon H,

I think I found it on their web site but what they said about their 0-XX viscosity syn is that it basically doesn"t solidify. So there's your lower temp limit. They just put the 0 on the container as they had to put something.

Course the other end (30, 40, or 50) means that it retains the viscosity of those oils at the hotter temps as you know.

Sounds like a real deal. I have however, noticed on testing (shown on the same site) that big engine mfgrs (Cat Cummins Mack) give passing grades to the 15-50 on tests that the 10-30 fails so there is still some quirk to holding the hot vis.

I"m in Texas and just mix 1 and Delvac (20-80%) 15w-50/40 in everything but air cooled where I use straight syn. Also use the blended syn gear lube when I can. On really cold days you can feel some sluggishness in starting but not too bad.

Mark

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