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I go to lean-burn by reducing the voltage to injector power. I put a 0-100 ohm 100 watt rheostat in series. ( Grainger). Use 0 ohms to start.(choke). lol. When warmed up dial up the ohms till the power drops off, then dial down the ohms if I need more power. Add kill a switch to engine brake or coast.
Of course, this makes any data based on pulse width useless.
This works well on throttle body injection. Dont mind error codes as long as the processor dont mess with the ignition timing on the newer systems. {knock}
I have tried fuel flow meters to a small reservoir by the engine but fuel temperature changes have to be controlled or compensated for. Many gas stations dont compensate for temperature.
Fuel consistency is a problem now days I dont even know what Blend I am buying today. It changes every day with the price of crude.
So the fuel mileage is useless on the E85 systems. A gallon of what per mile?
Strain gages on a drive shaft would be good for ABA tests. Read torque directly.
Lingenfelter did some mods to reduce drag. splitters, skirts, dams, etc.
Keep in mind the exhaust system is air cooled.
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