Originally Posted by fastmustangs1
The 4:10's are a lower gear and will work better for drag racing. They should be used for the automatics. The 3:73's are used for sticks.
they dont have to be 3.73 for manuals and 4.10 for autos.
both gears will will give good gains. if you talking about drag racing gears, 4.30 and up