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master fuel question

race jase

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Hi everyone,

I have done a search but didn't really find what I was looking for,

I have a tuned map to suit 1000cc injectors with a master fuel setting of 6ms

now I want to change my injectors to 880cc (80lb) injectors or even changing to 660cc or 60lb injectors what is the best way to work the master setting out?


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You will need to increase you master fuel to compensate for the smaller injectors.

So if you had 1000cc and reduced to 660cc

then you would need to do

Current Injector size/ New injector size x current master = New Master


1000/660 x 6 = 9.1

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