hi, can anyone tell me how much more power and or speed i would get by changing over to a 15mm bing carb for a 78' puch maxi 2hp? also do i need a 14mm intake for it? any thing else need to be replaced for this carb change? any and all advice will be appreciated.

Re: carb.

I got about another 10 mph out of my Cobra, but the carb was just one of the things that I did to it. It's best to have the carb size match the intake manifold size if possible, other than that and re-jetting, it's a one for one swap, no need to modify anything.

Re: carb.

thanks brian, any other suggestions!!!!!

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