# 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:** 6

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### Author: ![cazwrx187](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/cazwrx187/32/6388_2.png) [@cazwrx187](https://forums.speedlife.net/u/cazwrx187)
#### Post date: [January 7, 2012, 4:49pm UTC](https://forums.speedlife.net/t/oil-how-does-it-work-split/262189/6 "2012-01-07T16:49:58Z")

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> [@These guys use (this) wireless service](https://forums.speedlife.net/t/these-guys-use-this-wireless-service/47719/33):
>
> Riddle me this.
> 
> If oil is thinnest at cold temperatures and thickest at operating temp according to 10w-30 or any other viscosity index… Why does it flow out of the motor easier during an oil change and is slow to flow when cold, completely counter intuitive to the index.

In Soviet Russia…

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