jnmotors racing coil

you should have done some more research before buying. those are for aftermarket CDIs with no built-in coil. get a Jaguar or something if you want to use that.
 
32 is fairly good already so don't expect too much increase.
more important is lessening of vibration, better idling, more consistent running, longer bearing life.
 
ok, yea, I'd like 40mph but I realize thats getting a little crazy. haha, so far i've got expansion chamber pipe, ported cylinder, cut on piston, 32t sprocket and soon Jaguar cdi and racing coil. I'm rather happy with my set up. next step is reed valve, upgraded carb, headlight, rear light and turn signals.
 
You should be able to hit 40 no problem if your porting is good, what sort of compression are you running?
 
what cylinder head do you have? is it an aftermarket one, or a stock one? if stock, is it a slant head or a straight plug head?
 
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