Question. I am going through my manual and looking for parts that I am wanting to put on my new FFR. I have a question (Might be a little stupid but i am stuck) about "SPLINE" differences. I think it is the amount of teeth. if this is the case. I would think that 31 would be more tough, because you have more teeth engaged. if that is the case, do I stay the same amount (31) from the Transmission all the way back through the rear end. direction please.