# wondering about the mcnally tune

**URL:** <https://forums.speedlife.net/t/wondering-about-the-mcnally-tune/244001>\
**Category:** Shift518 Automotive\
**Created:** [May 6, 2009, 1:40pm UTC](https://forums.speedlife.net/t/wondering-about-the-mcnally-tune/244001 "2009-05-06T13:40:17Z")\
**Posts on this page:** 1\
**Showing post:** 18

<div class="post-metadata">

**Author:** ![Z28LT1Rocket](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/z28lt1rocket/32/6436_2.png) [@Z28LT1Rocket](https://forums.speedlife.net/u/Z28LT1Rocket)\
**Post date:** [May 7, 2009, 4:54pm UTC](https://forums.speedlife.net/t/wondering-about-the-mcnally-tune/244001/18 "2009-05-07T16:54:17Z")

</div>

> [@New Best ET/Trap - PICS AND VIDS](https://forums.speedlife.net/t/new-best-et-trap-pics-and-vids/17590/53):
>
> wat

your the one who spoke of it genuis im not getting technical the engine management system where it cut off half the cylinder being used IDK anyone know of how it funtcions and cost

---

_[View the full topic](https://forums.speedlife.net/t/wondering-about-the-mcnally-tune/244001)._