Nissan 370Z Forum - View Single Post - Is our cars come "rich" from the factory.?

Chan Chee Hoe · 07-31-2011, 12:25 AM

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.

07-31-2011, 12:25 AM	#1 (permalink)
Chan Chee Hoe Track Member Join Date: Mar 2009 Location: Singapore Posts: 861 Drives: 370z,Yellow,7sp A Rep Power: 17	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.