[MethoD]

I have an Aquamist HFS4 system installed and connected to a Link ECU. I have an auxiliary output from the link connected to the fuel injector input of the Aquamist. The duty cycle of the Aux output is determined by a 3D table in the Link which allows me to deliver a DC value according to Boost/RPM. The Aquamist's flow sensor output (0-5v signal) is fed back to the Link ECU. I am currently injecting a 50/50 meth/water mix but plan to increase to 75%, and then 100% methanol once I am confident everything is working solidly.

My ambition is to set up the Link ECU to use the value from the flow signal to adjust the ignition timing and, to a lesser extent, the fuel map. So basically, the timing will be advanced and the fuel (gas) will be reduced as the value from the flow sensor increases. The Link ECU allows me to do this with 4D fuel and ignition tables and I already have them set up with very minimal values as proof of concept that it works.

My reasoning is that this will be a safer way of tuning for a large percentage of methanol to gas. i.e. my engine has (4) 550cc injectors (2200 total) and I have two Aquamist nozzles giving me approximately 1000cc of flow.

I was wondering if anyone else has tried this and how effective/successful it was.

I do have the failsafe output from the Aquamist connected to the Link and it serves to disable the 4D tables as well as the high-boost wastegate DC table. I also plan to set up a general purpose limit table that can switch to low boost if AFR vs. MAP is unsafe.