# thanks to morgan & synapse...

**URL:** <https://forums.speedlife.net/t/thanks-to-morgan-synapse/237493>\
**Category:** Shift518 Automotive\
**Created:** [June 26, 2008, 1:28pm UTC](https://forums.speedlife.net/t/thanks-to-morgan-synapse/237493 "2008-06-26T13:28:28Z")\
**Posts on this page:** 2\
**Page:** 2

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**Author:** ![Auto0utcast](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/auto0utcast/32/6281_2.png) [@Auto0utcast](https://forums.speedlife.net/u/Auto0utcast)\
**Post date:** [June 27, 2008, 7:57am UTC](https://forums.speedlife.net/t/thanks-to-morgan-synapse/237493/21 "2008-06-27T07:57:09Z")

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the STI ecu can only allow a +/- 15% fuel variance from what is programmed into it… if you are flowing more air u will run leaner… less air and well, u guessed it… fatter. this is why subarus are so fucking finicky… goddamn stock ecu being gayer than richard simmons.

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**Author:** ![Shawn96VR-4](https://avatars.discourse-cdn.com/v4/letter/s/eada6e/32.png) [@Shawn96VR-4](https://forums.speedlife.net/u/Shawn96VR-4)\
**Post date:** [June 27, 2008, 8:14am UTC](https://forums.speedlife.net/t/thanks-to-morgan-synapse/237493/22 "2008-06-27T08:14:00Z")

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> [@EJ257FTW](#):
>
> the STI ecu can only allow a +/- 15% fuel variance from what is programmed into it… if you are flowing more air u will run leaner… less air and well, u guessed it… fatter. this is why subarus are so fucking finicky… goddamn stock ecu being gayer than richard simmons.

Sounds like a shitty platform.

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