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15FE carb

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Frostman

RC Newbie
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I've had my Rs4-2 for about 3 years . The 15Fe just screams with power.I have a mips racing clutch,ported Cen header ,tune pipe. I wondering would I get anymore speed out of this If i put a 6mm slide carb on?4mm rotory on it now. or would it be wasted fuel?Thanks
 
You would get a lot more power.I put a 5mm carb on my .15 fe and there was a notice in power.
 
Is that the single needle carb? If so throw it away and replace it with a two needle carb, I put an OS 10 e on mine and what a difference it made.
 
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