Cool cheers richard.
One thing i keep milling over is this ratio. i have been told by many to tune for 12 afr with 10-15 %water. but my base map will be about 11.1:1 so say 0.76 lambda.
i would say 10 % of this would be 0.076 lambda
so if i subtract this i get 12.2:1 or 0.83 lambda
So if i tune for 12.2:1 and add the 10% water would i not be tuning for an equivelant of 30 % more fuel or 0.228 lambda
if so then the new mixture would be the equivelant of 0.60 lambda or 8.82 on petrol. I am told water is 1/3 more efficent than fuel. COuld it be that we are over watering our cars. These figures seem a little extreme but i am no maths expert.
Scott
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RX7
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