its not 5th gear that makes it short, its the final drive. 2nd,3rd,4th and 5th are the same as a gt. 1st is different tho, i put a gt 1st gear into mine. kept the lower gears tho, i prefer them. spuddy pulled 165mph in 5h on a gt std gearset so i think they are over-geared, but depends what you prefer.