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#1
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Grades of Oil
what is the difference and why does it matter for cars to fill up on the different types of motor oil
You know the ones like 5W20, 5W30, 10W30, 10W40, 15W40, 20W50
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92 S10 Blazer Sport 4.3l Vortec V6 (W) 275,000 miles Jasper engine, Rebuilt tranny + rearend 04 Pontiac Grand Prix GT 43,000 miles |
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#2
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Re: Grades of Oil
Quote:
you want a lower weight oil for the winter, but a higher weight for the summer. 5W means it is a 5 weight, and the W stands for winter, and the 20 is the warm weight. The oil has different waxes in it to make it have literally 2 different weights. |
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