11-06-2011, 08:21 PM
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#1 (permalink)
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A True Z Fanatic
Join Date: Nov 2008
Location: Palm Beach, FL
Posts: 1,213
Drives: 2009 370Z PW 6MT
Rep Power: 268
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Quote:
Originally Posted by gmr19
old thread I know, but isn't 0w-30 even thinner than 5w-30? The first number is the oil's viscosity when the oil is cold and the second number is its viscosity when hot. Therefore, a higher number equals a thicker flowing oil. So I think you'd be better off running 10w-30 for hotter climates.
Side note, does anyone know what exactly the 5 or 30 number refers to? I don't think the units are cSt. Just a relative number to other oil viscosities at certain temps?
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It's thicker than the other 5W-30's I ran previously. I think I might finally try redline engine oil next, just to see there's any noticeable difference.
And FWIW, the car sat for 3+ weeks and started right up, no funny noises at all. My engine seems to like it over the oils I've tried.
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