# nismo 555cc on stock ecu and maf!!

**URL:** <https://forums.speedlife.net/t/nismo-555cc-on-stock-ecu-and-maf/131924>\
**Category:** SON240sx Automotive\
**Created:** [March 5, 2010, 10:48am UTC](https://forums.speedlife.net/t/nismo-555cc-on-stock-ecu-and-maf/131924 "2010-03-05T10:48:55Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![IxorXtion](https://avatars.discourse-cdn.com/v4/letter/i/13edae/32.png) [@IxorXtion](https://forums.speedlife.net/u/IxorXtion)\
**Post date:** [March 5, 2010, 10:48am UTC](https://forums.speedlife.net/t/nismo-555cc-on-stock-ecu-and-maf/131924/1 "2010-03-05T10:48:55Z")

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I have the 555cc injectors and I’m wondering if the car will run that bad at 15psi on stock ecu and maf.  
Is it going to run that rich?

thanks.

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**Author:** ![Martino](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/martino/32/5674_2.png) [@Martino](https://forums.speedlife.net/u/Martino)\
**Post date:** [March 5, 2010, 10:53am UTC](https://forums.speedlife.net/t/nismo-555cc-on-stock-ecu-and-maf/131924/2 "2010-03-05T10:53:14Z")

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Like poop.

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**Author:** ![Keez](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/keez/32/5570_2.png) [@Keez](https://forums.speedlife.net/u/Keez)\
**Post date:** [March 5, 2010, 12:45pm UTC](https://forums.speedlife.net/t/nismo-555cc-on-stock-ecu-and-maf/131924/3 "2010-03-05T12:45:04Z")

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this has been explained over and over again!

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**Author:** ![D\_Fresh](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/d_fresh/32/5542_2.png) [@D\_Fresh](https://forums.speedlife.net/u/D_Fresh)\
**Post date:** [March 5, 2010, 1:54pm UTC](https://forums.speedlife.net/t/nismo-555cc-on-stock-ecu-and-maf/131924/4 "2010-03-05T13:54:25Z")

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Try it and let us know please.