# evo vs sti @etown 3/12/11 **URL:** https://forums.speedlife.net/t/evo-vs-sti-etown-3-12-11/257024 **Category:** Shift518 Automotive **Created:** [February 20, 2011, 6:23pm UTC](https://forums.speedlife.net/t/evo-vs-sti-etown-3-12-11/257024 "2011-02-20T18:23:59Z") **Posts on this page:** 1 **Showing post:** 60
### Author: ![Cossey](https://avatars.discourse-cdn.com/v4/letter/c/3ec8ea/32.png) [@Cossey](https://forums.speedlife.net/u/Cossey) #### Post date: [February 22, 2011, 5:30am UTC](https://forums.speedlife.net/t/evo-vs-sti-etown-3-12-11/257024/60 "2011-02-22T05:30:23Z")
> [@I made a black pathfinder crash today.](https://forums.speedlife.net/t/i-made-a-black-pathfinder-crash-today/39852/6): > > smaller ports create velocity. not a bad thing. They also create that velocity through more pressure. More velocity + pressure = more turbulence. Therefore, he should have heads ported plus cams/springs/retainers so he can flow more plus smoothing and increasing the size of the ports. --- _[View the full topic](https://forums.speedlife.net/t/evo-vs-sti-etown-3-12-11/257024)._