# Royal Purple calls out AmsOil

**URL:** <https://forums.speedlife.net/t/royal-purple-calls-out-amsoil/265694>\
**Category:** Shift518 Automotive\
**Created:** [December 7, 2012, 10:46am UTC](https://forums.speedlife.net/t/royal-purple-calls-out-amsoil/265694 "2012-12-07T10:46:40Z")\
**Posts on this page:** 1\
**Showing post:** 13

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**Author:** ![usmc2801](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/usmc2801/32/6387_2.png) [@usmc2801](https://forums.speedlife.net/u/usmc2801)\
**Post date:** [December 8, 2012, 9:56am UTC](https://forums.speedlife.net/t/royal-purple-calls-out-amsoil/265694/13 "2012-12-08T09:56:35Z")

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> [@\*\*\*\*Official: Southgate Meet Thread\*\*\*\*](https://forums.speedlife.net/t/official-southgate-meet-thread/29171/3021):
>
> Not even reading it-high dollar oils are a waste of money expect for in EXTREME heat/extended drain applications.
> 
> My Evo makes 7hp/ci. The used oil reports come back great. The engine is currently apart to have the aluminum rods inspected and my engine builder said the main/rod bearings are in great shape.
> 
> **Conventional oil was used for the entire life cycle of the engine**.

This! I never waste money on synthetic oil in any of the wife’s or my cars, just use in the Harley but that is because it gets to extreme heat levels in summer traffic being air cooled. Otherwise that would get conventional oil as well.

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