Yes i agree that the injectors do give you a good indication of whats going on via the duty cycle.
But the " plenty " of people that select the main jet without any data get easily beaten by people that change jets 3 times a day based on RAD,and the
dyno best power data..
We won the Kart Nationals at Easter, as our main competition, a European factory driver with the best engines money can buy,selected his main size
by guessing.He poled it,but detoed an engine to death the next cool morning,he had to change engines then ran well rich in the final just to ensure he finished.
We changed jets every race,based on the weather station,and the piston looked brand new after 60 laps of racing.
Ive got a thing thats unique and new.To prove it I'll have the last laugh on you.Cause instead of one head I got two.And you know two heads are better than one.
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