# POR-15 **URL:** https://forums.speedlife.net/t/por-15/30506 **Category:** NYSpeed Automotive **Created:** [June 7, 2007, 8:57am UTC](https://forums.speedlife.net/t/por-15/30506 "2007-06-07T08:57:37Z") **Posts on this page:** 1 **Showing post:** 12
### Author: ![Mike93](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/mike93/32/7325_2.png) [@Mike93](https://forums.speedlife.net/u/Mike93) #### Post date: [June 7, 2007, 10:04am UTC](https://forums.speedlife.net/t/por-15/30506/12 "2007-06-07T10:04:20Z")
How much prep work is involved with this stuff??? Can POR-15 (or Napa equivalent) be sprayed/brushed on _over_ rust??? I have a few spots I’d like to hit on my SHO. --- _[View the full topic](https://forums.speedlife.net/t/por-15/30506)._