what would be a good gear for a yamaha r1 at waynes field raceway park (1/3 mile)? Right now i run the car with a 12 53 in second gear on a 1/5 mile and third gear on a 1/4 mile. And also what would be recomended for a 3/8 and 1/2 mile. Have front sprockets 14,12 and rear gears 49-53. All help appreciated!