# FS: Vortech 12:1 fmu

**URL:** <https://forums.speedlife.net/t/fs-vortech-12-1-fmu/18076>\
**Category:** Classifieds\
**Created:** [September 26, 2006, 6:23pm UTC](https://forums.speedlife.net/t/fs-vortech-12-1-fmu/18076 "2006-09-26T18:23:11Z")\
**Posts on this page:** 1\
**Showing post:** 16

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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:** [December 14, 2006, 6:11pm UTC](https://forums.speedlife.net/t/fs-vortech-12-1-fmu/18076/16 "2006-12-14T18:11:12Z")

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an FMU raises fuel pressure based on boost pressure. Since this is a 12:1 it will add 12psi of fuel pressure to the base pressure for every 1 psi of manifold pressure over atmospheric pressure. It can be used on any FI car. It is kind of a cheap way to avoid actually tuning your car.

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