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e85 tuning


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Hi there

Im doing a E85 tune on a vehicle today using a link g4. I primarily do Factory ECU reflash tuning where you can change the stoich valve from 14.7 to 9.76.

Is there somewhere in the link software where this can be changed?

Thanks in advance

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Sorry, I initially posted a screenshot from the G4+ then realized you have a G4.

In the G4 the stoich ratio is assumed to be 14.7.  This is not as big a deal as it may sound as unlike OEM ecu's this ECU doesnot use a VE based model.  Provided your wideband controller outputs a normal gasoline calibration most of it will take care of itself.  You just need to tune to gasoline AFR's instead of E85.

Edited by Adamw
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