# The Official Callout/Kill Thread

**URL:** https://forums.speedlife.net/t/the-official-callout-kill-thread/244455
**Category:** Shift518 Automotive
**Created:** [May 29, 2009, 12:00pm UTC](https://forums.speedlife.net/t/the-official-callout-kill-thread/244455 "2009-05-29T12:00:38Z")
**Posts on this page:** 1
**Showing post:** 852

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### Author: ![arodracing](https://avatars.discourse-cdn.com/v4/letter/a/7cd45c/32.png) [@arodracing](https://forums.speedlife.net/u/arodracing)
#### Post date: [September 24, 2009, 5:41am UTC](https://forums.speedlife.net/t/the-official-callout-kill-thread/244455/852 "2009-09-24T05:41:31Z")

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> [@whats the diff between the WRX, and WRX TR?](https://forums.speedlife.net/t/whats-the-diff-between-the-wrx-and-wrx-tr/23362/7):
>
> i understand that but maybe there is another reason… hence the reason i asked

yea, the ls rocker arms restrict me from going to a bigger cam with more lift. So i took the vetc head and got the roller rocker setup and eliminated the vtec selenoid.

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