Calibration Strategy for Multi-Fuel ECU Setup

Pin outs, sensor calibrations etc
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thomasfrank
Posts: 6
Joined: Wed Oct 25, 2023 10:15 am

Calibration Strategy for Multi-Fuel ECU Setup

Post by thomasfrank »

Hi all,
I’m currently working on a Syvecs ECU setup for a vehicle that will run on both petrol and E85. I want to implement a seamless fuel map switch without causing lean or rich spikes during transition.Infinite Craft Game Does anyone have experience with multi-fuel calibration strategies in Syvecs, particularly regarding fuel map blending and injector scaling? Any recommended approaches or pitfalls to avoid would be really helpful.
stevieturbo
Posts: 1404
Joined: Sun Dec 07, 2008 2:04 pm

Re: Calibration Strategy for Multi-Fuel ECU Setup

Post by stevieturbo »

I'm sure using the full blend of the map tables 1/2 and then 3/4 is the optimal way to do it, and enabling "flex fuel" in this way alters quite a few tables behaviour throughout a calibration....

It is a lot easier just to add a global fuel multiplier( and timing if you desire ) based on ethanol content as a quite generic adjustment everywhere.

Either option will offer seamless operation. One is very involved, the other very simple.
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