1. Hello I have a Colman ex200-tu with 8” tires a 420cc engine race ready 280cam 34mm carb 40 series torque converter. Would like to know the best sprockets to use front and rear for more top end speed. Looking for a good happy medium from take off to top speed but mostly concerned with top end speed. Thanks

  2. I have a 420 cc engine with 10 inch tires on a 2 seat off road go cart what is the best all around drive set up ?

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