wath is the point with 6 speed insted of 5??
is a 6 speed race a 5 speed from 0 is the speed equale or is teh 5 speed a little in front becuase they got the last gear dividet to the other gears?
More gears, the shorter they are, and the better you can accelerate.
As for doing this swap, it wouldn't be as easy as changing your tire. You have to know a hell of a lot about what you are doing, and you need a lift.