Got a good gain with my last iso/MMoil mpg test...around a 10% gain.
I used a 5 to 1 ratio of Walmart 91% iso to 1 part MMoil.
This = 2.3 oz of this mix to each 10 gallons....3 oz to a full 13 G tank.
I use the 91 % iso because it is cheaper than Heet...it also has 9% water in it. When put together they will separate...so you need to shake the bottle before use.
If running an electric pump I'd change the ratio to maybe 3 oz iso to 2 oz MMoil. Or around 4 oz of this mix per each 10 gallons.
When I tested 5 oz per 10 G of this mix AND HHO...I had real good power but LOST mpg. So the amount used is probably critical.
Test at your own risk.
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Leading the perpetually ignorant and uninformed into the light of scientific knowledge. Did I really say that?
a new policy....I intend to ignore the nescient...a waste of time and energy.