57cc gear ratios

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Eben-11

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Hay guy I was wondering if anyone can help me. I have a 57cc engine in my baja 5b and am in need off a suitable gear ratio the stock ratio just isn't cutting it please help
 
GEAR RATIO CHART P/N Gear Ratio Final Rear Wheel Ratio 20/54 6.5:1 21/53 6.0:1 22/52 5.6:1 23/51 5.3:1 24/50 5.0:1 28/46 3.9:1 26/48 4.4:1 17/57 8.0:1 18/56 7.4:1 19/55 6.9:1 16/58 8.7:1 Note: Formula- spur gear divided by pinion gear 5b stock differential gear ratio, Differential gear 48 tooth divide by input gear 20 tooth 48/20 = 2.4:1 Example: Gear ratio 54/20 = 2.7Differential gear ratio 48/20 = 2.4Final Rear wheel ratio is 2.7 x 2.4 = 6.48:1
here ya go this is something I developed, the higher gear ratio's are for drag racing good luck Machine Head!!!
 
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