# Preparing rough metal for paint

**URL:** <https://forums.speedlife.net/t/preparing-rough-metal-for-paint/46539>\
**Category:** NYSpeed Automotive\
**Created:** [April 9, 2008, 9:19pm UTC](https://forums.speedlife.net/t/preparing-rough-metal-for-paint/46539 "2008-04-09T21:19:53Z")\
**Posts on this page:** 1\
**Showing post:** 6

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**Author:** ![newman](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/newman/32/7569_2.png) [@newman](https://forums.speedlife.net/u/newman)\
**Post date:** [April 10, 2008, 5:08am UTC](https://forums.speedlife.net/t/preparing-rough-metal-for-paint/46539/6 "2008-04-10T05:08:04Z")

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you’d have to blast it to PC it anyway. But if you PC it, you need to tell the PCer to outgass it before applying the powder, as cast aluminum is porous, and surely has a lot of oil and grease in the metal.

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