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Accel.pump vs rejetting

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craigy

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I have a 97 challenger[single 787].Check valve on mag carb is open to suction and pressure.LS jets are both 67.5[if my memory serves me].What would I bump them up to if I were to completely block off the accel pump?I have both set at one and a half turns.would this setting change?The boat runs good,doesn`t seem to lean.
 
Well....

You could go up to a 70.0, and then turn in the low needle to compensate at idle. BUT... you may still have a stumble if you mash the throttle hard.


You may want to go one size bigger on the main jet also. (or open the high speed needle a 1/4 turn to help get a blast of fuel quicker)
 
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