Good information. The mixture for best performance is based on a combination of air fuel ratio and temperature of air being cooled.
If the engine is running 12/1 a/f and has a manifold inlet temp of 200F water is best. If you have a a/f or 13.5/1 with 200F manifold temp them a mixture a methanol would be in order.
If you have a intake manifold temp of less than a 100F a higher consitration of methanol would be useful if you can adjust the fuel ratio.
There is not one ratio that is correct for every application. You will need to test to find you best balance.
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Brad
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