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Old 01-05-2007, 11:32 AM
Join Date: Feb 2006
Location: midland, MI
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Default RE: Cen CT4 Tuning NX-15

what color is the head of the motor? Green? if so you have the NX-15 motor. Great motor. if its new, your probably rich on the needle settings. you ll need to do some reading on tuning at breaking and tuning for performance. whats going on will depend on a few things like new or used motor. hot or cold outside, fuel and brand and nitro %, is the wind blowing east or west? these will all make a differance in how your motor will run that perticular time.

answer a few of these questions and we ll be better able to help out.