TwinTurbo.NET: Nissan 300ZX forum - I think you're right
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Subject I think you're right
     
Posted by megaDan on October 07, 2012 at 7:44 PM
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In Reply To What was the airfuel ratio? posted by Jason300zxTT on October 07, 2012 at 03:12 PM
     
Message I datalogged the AFR on my laptop and haven't yet overlaid them on the graphs. However, I did review them in excel and above 3500rpms I was nearly at 10 flat. AFR was VERY smooth, but too rich.

Once the weather changed colder the car has been running a bit richer and I haven't been able to figure out why. This summer it was dialed into almost 11.5 flat.

When I get some time on a real computer I'll post my AFR graphs. Unfortunately I wasn't able to log the manifold pressure. On the street my Profec B holds pretty steady, but I didn't even think to glance at it while I was driving on the dyno. It was my first time, and I was kind of overwhelmed (and a bit nervous), but live and learn.

     
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