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FG N/A + Turbo


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Hey guys 

I have a FG N/A here that has had FG XR6T parts fitted, turbo, manifolds, injectors, fuel pressure regulator, turbo map sensor etc.

It is still running a N/A ECU and wiring, and I'm in the process of trying to get the tune sorted.

I'm planning on running it with turbo logic off, and will run an after market boost controller.

Set up the MAP characteristics to suit turbo map sensor and merge turbo tune to N/A tune to get it ballpark.

I have only ever tuned these conversions with a turbo ECU and wiring, so I would normally enable turbo logic and run turbo file.

First issue I'm having is the vehicle runs better with the N/A MAP sensor settings even though I'm running the turbo sensor.

With the turbo MAP sensor scaling ,I am getting the correct reading (100kpa with ignition on) but vehicle barely runs, need to take 60 - 70% out of speed density table to get it to idle.

With the N/A MAP settings, the car runs near perfect, just has some small drivability issues, but runs surprisingly good considering the ECU thinks atmospheric pressure is 43kpa?

I'm assuming there is some scalar that I'm missing that needs to be changed, has anyone worked on a similar setup?

Thanks in advance 

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