TwinTurbo.NET: Nissan 300ZX forum - I presume you pulled fuel with the SAFC to get the A/F
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Subject I presume you pulled fuel with the SAFC to get the A/F
     
Posted by Ash's Z on June 28, 2006 at 2:06 PM
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In Reply To Sport 500 dyno... need your input posted by captn boost on June 28, 2006 at 11:01 AM
     
Message to where it is. The problem with using an AFC is that the more you alter your fuel curve, the more you alter your timing curve.

By pulling fuel, the ECU is being tricked into seeing lower load, so it delivers less fuel and adds ignition timing.

It is quite probable that you pulled so much fuel and, consequently, added so much timing that it was in fact, detonating and the ECU was pulling a lot of timing.

Even so, the power seems oddly low even before it fell on its face.




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