Ignition timing : Water Only Vs 50/50 Water/Meth
I have a Toyota 1.5L 300bhp turbo engine and presently I have a tune with just straight water using the 315cc nozzle only just for intercooling.
Now I intend to use a 50/50 Mix for octane increase purposes.
In genereal do I need to increase or decrease the ignition timing when switching from straight water to 50/50 mix ?
Please discuss...
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