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Quick One - Motul Or Similar 10w40

Topaz

By Topaz,
in Western Australia

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Topaz Grand Master

Topaz

Posted
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Posted

Oh well, I thought it was always better to use a thicker oil in summer. Never heard that oils are too thick when cold.

Thanks all. I had to use the Motul Anyway, now I have a Mobil1 0w40 for April/May '10

JonnoHR31 Grand Master

JonnoHR31

Posted
Posted

in some cases yes, but you'd want a thicker hot viscosity, ideally cold still needs to be as thin as possible. so if you had a 0-40 in winter and wanted a thicker oil for winter a 0-50 would be ideal (dunno if you can even get 0-50).

put simply, first number is cold viscosity (thinner the better) and the second number is hot viscosity.

a 0w-40 oil is like a straight 0 (0w-0) oil when cold and like a straight 40 (40w-40) wen hot.

snozzle Mentor

snozzle

Posted
Posted

i have started to use castrol 5w 30 on my gtr just recently, is a very good oil, maintains oil pressure and temp quite well

i bought it for 40 buks at repco was on special, not bad for fully synthetic at all !

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