# Altima running lean?

**URL:** <https://forums.speedlife.net/t/altima-running-lean/132897>\
**Category:** Canada Nissan Automotive\
**Created:** [February 3, 2007, 11:50am UTC](https://forums.speedlife.net/t/altima-running-lean/132897 "2007-02-03T11:50:13Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![\_Punisher](https://avatars.discourse-cdn.com/v4/letter/_/bb73d2/32.png) [@\_Punisher](https://forums.speedlife.net/u/_Punisher)\
**Post date:** [February 3, 2007, 11:50am UTC](https://forums.speedlife.net/t/altima-running-lean/132897/1 "2007-02-03T11:50:13Z")

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In nissan performance mag it says best A/F ratio is 12.5:1 to 13.5:1 for NA engines so this A/F ratio of 15.1 and 13.3 is too lean?  
 ![http://www.dragtimes.com/images_dyno/8836-1998-Nissan-Altima-Dyno.jpg](http://www.dragtimes.com/images_dyno/8836-1998-Nissan-Altima-Dyno.jpg)  
and no its not my car but it it same year and model