Originally Posted by jmarksdragster

No drawback to either, each has it's place. A 10" can stall about 3500 to around 6000 depending on the engine, an 8" from about 5000 to over 7000 ( I have an 8" that stalls 7100). Vehicle weight, engine torque HP and RPM range, gear, tire size and trans type all play into the right one. Let me know what you plan to do with it and I can steer you in the right direction.