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Message: <blockquote data-quote="Shamanraj" data-source="post: 1528235" data-attributes="member: 28579">Here is what has been done. When fan is turned of if rotates based on your carb air intake. Sometimes you turn it on when you are at low rpm. Am i right? If yes, then you have 2 prob.1. High RPM, where ur fan just turns based on low preasure created by carb, ur fans are restricting air flow....if ur fan was stationary, it would be better cause it will induce air swirl which is good for combustion.2. At low RPM when you turn on ur fans, yes you are pushing in more air than ur carb needs....but there is no point in this. You need to always make sure that your stoichiometric air & fuel ratio is met....14.7:1 ratio. Anything lower than this is rich mixture and anything higher than this is lean mixture. There is another theory saying that if your oxigen sensor is working fine, than the fuel will be adjusted properly as in this setup of yours it will detect excesive O2 in ur exhaust and decide that your engine is running lean and adjust the fuel to meet the stoichiometric value....hence increasing power abit.my 2 cents.</blockquote>

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