Ideal air fuel ratio of tuned car.

MrNibiru · 10-19-2020, 11:46 AM

I have tried to find what most NA tuned cars are running in regards to air fuel. I am trying to have this answer as reference for when I go and get my car tuned as it will be a make or break question I ask the tuner. So far it seems most tunes end up around 12.8-13.0 air fuel. Can anyone confirm this.

Jhill · 10-28-2020, 11:19 PM

Quote:

Originally Posted by MrNibiru

I have tried to find what most NA tuned cars are running in regards to air fuel. I am trying to have this answer as reference for when I go and get my car tuned as it will be a make or break question I ask the tuner. So far it seems most tunes end up around 12.8-13.0 air fuel. Can anyone confirm this.

I think 12.8 sounds about right. Just to clarify we’re talking at the upper RPM higher load right?

10-19-2020, 11:46 AM	#1 (permalink)
MrNibiru Base Member Join Date: Jan 2015 Location: Dallas, Texas Posts: 29 Drives: 2012 Nismo 370Z Rep Power: 10	Ideal air fuel ratio of tuned car. I have tried to find what most NA tuned cars are running in regards to air fuel. I am trying to have this answer as reference for when I go and get my car tuned as it will be a make or break question I ask the tuner. So far it seems most tunes end up around 12.8-13.0 air fuel. Can anyone confirm this.

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