# Swithing BACK to conventional oil from synthetic

**URL:** <https://forums.speedlife.net/t/swithing-back-to-conventional-oil-from-synthetic/21952>\
**Category:** NYSpeed Automotive\
**Created:** [December 21, 2006, 5:29am UTC](https://forums.speedlife.net/t/swithing-back-to-conventional-oil-from-synthetic/21952 "2006-12-21T05:29:20Z")\
**Posts on this page:** 1\
**Showing post:** 23

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**Author:** ![dirtye30](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/dirtye30/32/7333_2.png) [@dirtye30](https://forums.speedlife.net/u/dirtye30)\
**Post date:** [December 21, 2006, 12:14pm UTC](https://forums.speedlife.net/t/swithing-back-to-conventional-oil-from-synthetic/21952/23 "2006-12-21T12:14:24Z")

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my friends father is the head engineer for northamerica of some big oil company, castrol or something i think, he knows all kinds of lubrication shit ill ask him.

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