# 0w40 oil?

**URL:** <https://forums.speedlife.net/t/0w40-oil/191649>\
**Category:** PittSpeed Automotive\
**Created:** [August 7, 2007, 12:32pm UTC](https://forums.speedlife.net/t/0w40-oil/191649 "2007-08-07T12:32:14Z")\
**Posts on this page:** 1\
**Showing post:** 27

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**Author:** ![VdubSPEEDracer](https://avatars.discourse-cdn.com/v4/letter/v/f08c70/32.png) [@VdubSPEEDracer](https://forums.speedlife.net/u/VdubSPEEDracer)\
**Post date:** [August 11, 2007, 4:22pm UTC](https://forums.speedlife.net/t/0w40-oil/191649/27 "2007-08-11T16:22:06Z")

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> [@Your swear word of choice](https://forums.speedlife.net/t/your-swear-word-of-choice/31870/2):
>
> That’s not completely true. Synthetic oil has additives in it to reduce friction and disperse heat. It also does not break down as fast under hard driving. I would never trust any oil in my car for 10k or 20k.

thats you, but its perfectly safe to run oil far past 10K as long as you monitor it and use the intervals, AMSOIL says 25K or a year. I will reach my year mark before I get to 25K…  
[http://neptune.spacebears.com/cars/stories/amsoil.html](http://neptune.spacebears.com/cars/stories/amsoil.html)

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