# Oil... how does it work? \[split\]

**URL:** <https://forums.speedlife.net/t/oil-how-does-it-work-split/262189>\
**Category:** Shift518 Off Topic\
**Created:** [January 6, 2012, 11:40pm UTC](https://forums.speedlife.net/t/oil-how-does-it-work-split/262189 "2012-01-06T23:40:40Z")\
**Posts on this page:** 1\
**Showing post:** 174

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**Author:** ![KillerBlackbird](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/killerblackbird/32/6525_2.png) [@KillerBlackbird](https://forums.speedlife.net/u/KillerBlackbird)\
**Post date:** [January 11, 2012, 2:56pm UTC](https://forums.speedlife.net/t/oil-how-does-it-work-split/262189/174 "2012-01-11T14:56:12Z")

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> [@What is the best way to get your Credit up in the next 6 mos. or year?](https://forums.speedlife.net/t/what-is-the-best-way-to-get-your-credit-up-in-the-next-6-mos-or-year/47832/7):
>
> So if you’re saying if it acts thinner at 32 why is it thicker when cold?

Because the temperature properties of the oil make it thicker when cold.

When starting an engine when its cold you want 5 weight so the oil flows better, when heated and the oil becomes thinner it attains the properties of 30 weight.

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