4-1 is optimized for pick up and top speed oso lerz... it increases your high rpm torque.
4-2-1 is optimized for low-mid range torque... excellent for city driving.
Reason 4-1 has higher FC on city driving than a 4-2-1 is because the 4-2-1 has better mid range torque than a 4-1.... so if u use a 4-1... u'll end up tekan more to reach your desired speed.
4-2-1 is optimized for low-mid range torque... excellent for city driving.
Reason 4-1 has higher FC on city driving than a 4-2-1 is because the 4-2-1 has better mid range torque than a 4-1.... so if u use a 4-1... u'll end up tekan more to reach your desired speed.