Nissan 370Z Forum

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-   -   Is our cars come "rich" from the factory.? (http://www.the370z.com/tuning/40329-our-cars-come-rich-factory.html)

Chan Chee Hoe 07-31-2011 12:25 AM

Is our cars come "rich" from the factory.?
 
Hi Friends,i did a "Uprev" reflashed yesterday,the tuner told me,the car is running very rich[10.5:1] in running from factory,any reasons behind this.?My tuner has bring it down to 12.5:1,any harm to the engine,esp in warm weather in S'pore.?Thanks.

Chan Chee Hoe 08-08-2011 10:20 AM

I have adjusted the A/F ratio back to about 11:1,12.5:1 is too lean for our weather,engine runs rough & noisy,when going long distance[about 3o kms] engine felt less power.


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